Patents Assigned to R&D Center
  • Publication number: 20240300930
    Abstract: The present invention relates to a novel process for the preparation of 2,5-dichloro-3-(5-(3,4-dihydroxy-5-nitrophenyl)-1,2,4-oxadiazol-3-yl)-4,6-dimethylpyridine-1-oxide of formula (I) The present invention also relates to the novel intermediate compounds of formula (V), formula (VII), and their processes for the preparation thereof. The present invention also relates to the use of compounds of formula (V), formula (VII) intermediate in the preparation of 2,5-dichloro-3-(5-(3,4-dihydroxy-5-nitrophenyl)-1, 2, 4-oxadiazol-3-yl)-4, 6-dimethylpyridine-1-oxide of formula (I).
    Type: Application
    Filed: February 28, 2022
    Publication date: September 12, 2024
    Applicant: MSN LABORATORIES PRIVATE LIMITED, R&D CENTER
    Inventors: Thirumalai Rajan SRINIVASAN, Eswaraiah SAJJA, Rajeshwar Reddy SAGYAM, Navin Kumar Reddy KESHAVAREDDY, Ananthan BAKTHAVACHALAM
  • Patent number: 12080589
    Abstract: The present invention discloses a formation method, comprising: forming a hard mask layer and a photo-lithographic pattern of a fin structure on a the semiconductor substrate; patterning the hard mask layer and the semiconductor substrate to gain the fin structure with a profile of steep sidewalls; forming a protective layer on the sidewall surface of the fin structure; etching the semiconductor substrate located below the fin structure to form isolation structure trenches; performing a modified treatment on the exposed surfaces of the isolation structure trenches to form a modified layer with a certain thickness; removing the protective layer and the modified layer simultaneously; filling a dielectric layer in the isolation structure trenches till to cover the fin structure and then planarizing the dielectric layer; performing a trench etching to the dielectric layer and forming the fin structure and an isolation structure with sloped sidewalls.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: September 3, 2024
    Assignee: SHANGHAI IC R&D CENTER CO., LTD.
    Inventors: Weijun Wang, Hong Lin
  • Publication number: 20240279266
    Abstract: The present invention relates to an improved process for the preparation of (4R)-1-[(2R, 4R, 5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl) oxolan-2-yl]-4-hydroxy-1,3-diazinan-2-one compound of formula-1 and its intermediate compounds. [Formula should be inserted here]. The present invention also relates to the process for the purification of (4R)-1-[(2R, 4R, 5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl) oxolan-2-yl]-4-hydroxy-1,3-diazinan-2-one compound of formula-1 to get pure compound of formula-1.
    Type: Application
    Filed: May 30, 2022
    Publication date: August 22, 2024
    Applicant: MSN LABORATORIES PRIVATE LIMITED, R&D CENTER
    Inventors: Thirumalai Rajan SRINIVASAN, Eswaraiah SAJJA, Srinivas Reddy GADE, Suresh CHALLA, Shiva Shankar Goud GOPULARAM
  • Publication number: 20240199615
    Abstract: The present invention relates to novel crystalline polymorphs of 1-[(3R)-3-[4-amino-3(4-phenoxy phenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]-1-piperidinyl]-2-propen-1-one represented by the following structural formula-1 and process for preparation thereof.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 20, 2024
    Applicant: MSN LABORATORIES PRIVATE LIMITED, R&D CENTER
    Inventors: Thirumalai Rajan SRINIVASAN, Eswaraiah SAJJA, Vijayavitthal T MATHAD, Rajeshwar Reddy SAGYAM, Srinivasulu RANGINENI, Venkata Narasayya SALADI
  • Patent number: 12002682
    Abstract: The present invention disclosures a Tip-to-Tip pattern preparation method, comprising: providing a substrate, and sequentially forming a layer to be etched, a first hard mask layer, a second hard mask layer, a sacrificial layer, a first dielectric layer and a first photoresist layer on the substrate, forming a first patterned photoresist layer which has a first Tip-to-Tip pattern by EUV lithography, and transferring the first Tip-to-Tip pattern to the second hard mask layer by etching; then forming a second patterned photoresist layer which has a second Tip-to-Tip pattern by the EUV lithography, and transferring the second Tip-to-Tip pattern to the second hard mask layer by etching; finally, transferring the first Tip-to-Tip pattern and the second Tip-to-Tip pattern to the layer to be etched.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: June 4, 2024
    Assignee: SHANGHAI IC R&D CENTER CO., LTD
    Inventors: Yanli Li, Yushu Yang, Qiang Wu
  • Patent number: 12002708
    Abstract: The present invention discloses a method for forming an intermetallic air gap, which comprises following steps: S01: forming a trench in a solid dielectric; S02: preparing an insulating sheet-like two-dimensional material, wherein the insulating sheet-like two-dimensional material comprises an insulating nano sheet-like layer, the size of the insulating nano sheet-like layer in the sheet-like two-dimensional direction is greater than the size of the trench; S03: the insulating sheet-like two-dimensional material is deposited on the solid dielectric and the trench; S04: annealing the solid dielectric and the insulating sheet-like two-dimensional material to form a stable thin film composed of insulating sheet-like two-dimensional material on the trench.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: June 4, 2024
    Assignees: SHANGHAI IC R&D CENTER CO., LTD., SHANGHAI INTEGRATED CIRCUIT EQUIPMENT & MATERIALS INDUSTRY INNOVATION CENTER CO., LTD
    Inventors: Xiaoxu Kang, Ruoxi Shen, Xiaolan Zhong
  • Patent number: 11959455
    Abstract: Provided are control method and device of an energy-storage coordinated floating wind turbine, relating to the technical field of wind turbines. The control method of an energy-storage coordinated floating wind turbine can construct a primary frequency regulation model of a floating wind farm based on a frequency response unit, construct a second frequency regulation model according to an energy storage system, further construct, according to the primary frequency regulation model and the second frequency regulation model, a frequency regulation model of a hybrid power system containing the floating wind farm, the energy storage system, and a pre-set thermal power unit, and design an overall frequency regulation control strategy of the hybrid power system based on the frequency regulation model of the hybrid power system.
    Type: Grant
    Filed: April 6, 2023
    Date of Patent: April 16, 2024
    Assignees: NORTH CHINA ELECTRIC POWER UNIVERSITY, HUANENG GROUP R &D CENTER CO LTD
    Inventors: Yang Hu, Ziqiu Song, Fang Fang, Jizhen Liu, Xiaojiang Guo, Qinghua Wang, Heng Ge
  • Patent number: 11945129
    Abstract: An intimate area thinning razor, in which a comb portion includes comb teeth, a blade edge exposed portion where a blade edge is exposed, and a cover portion where the blade edge is covered. The comb teeth are provided at both ends in the width direction of the cover portion and between both of the ends, and a set of the blade edge exposed portion and the cover portion arranged in a predetermined manner is disposed repeatedly. A ratio of a total of lengths between center portions in the width direction of the comb teeth adjacent to the plurality of blade edge exposed portions, relative to a length between center portions in the width direction of the comb teeth at outermost positions in the width direction of the comb portion, is 1/10 to 4/10. Groove portions are formed on an extended line of a gap between the comb teeth.
    Type: Grant
    Filed: October 25, 2023
    Date of Patent: April 2, 2024
    Assignee: KAI R&D CENTER CO., LTD.
    Inventor: Keita Nakada
  • Patent number: 11942505
    Abstract: The present invention discloses a pixel structure of a stacked image sensor and a preparation method thereof, by bonding processes to stack a first silicon wafer to a third silicon wafer up and down; wherein, a first photodiode array is set on the first silicon wafer located in middle, and a second photodiode array is provided on the second silicon wafer located above, and the surface of each the second photodiode in the second photodiode array is aligned and bonded correspondingly with the surface of each the first photodiode in the first photodiode array, so as to form a chip of the pixel structure of the stacked image sensor with a very deep junction depth, which is particularly suitable for near-infrared sensitization, and can effectively improve quantum efficiency in near-infrared wave bands; and by adopting a backlight technology, incident lights irradiating to photodiodes are not affected by the metal interconnect layers, both of sensitive and fill factor are high, especially for small-size pixels, whi
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: March 26, 2024
    Assignees: SHANGHAI IC R&D CENTER CO., LTD., CHENGDU IMAGE DESIGN TECHNOLOGY CO. LTD.
    Inventors: Chen Li, Jiebin Duan
  • Patent number: 11916040
    Abstract: The present invention discloses a bonding cavity structure and a bonding method, the bonding cavity structure comprises an upper carrier and a lower carrier, a gas-flow forming mechanism, which comprises multiple open-close integrated arms, the integrated arms are provided with multiple nozzles facing to wafer bonding surfaces, and the nozzles are switched to gas nozzles or vacuum suction nozzles, a closed space is formed by all the integrated arms closed together with the carriers, all the nozzle located on a side of two wafers are set as the gas nozzles, which blow gas parallel to the wafer bonding surfaces, meanwhile, all the nozzles located on the other side of the two wafers are set as the vacuum suction nozzles, which suck the gas blown from the gas nozzle at corresponding position, a high-speed gas-flow is generated between the two wafers, so as to produce a low pressure of Bernoulli effect, the wafers are not only subjected to thrust forces from backsides, but tension forces between the bonding surfac
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: February 27, 2024
    Assignees: Shanghai IC R&D Center Co., Ltd., Shanghai Integrated Circuit Equipment & Materials Industry Innovation Center Co., Ltd
    Inventor: Xinyu Li
  • Patent number: 11897155
    Abstract: A razor assembled by folding includes a holding part that is held by a user, a head supporting part that is formed integrally with the holding part, and a razor head that is provided on the head supporting part. The entire of the holding part and the head supporting part is formed of paper. The entire of the razor head is formed of metal, and the razor head includes a blade body and a frame body housing the blade body.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: February 13, 2024
    Assignee: KAI R&D CENTER CO., LTD.
    Inventors: Hiroshi Yamakose, Mai Kadokura, Shunsuke Shioya, Toshiki Takagi
  • Publication number: 20240018152
    Abstract: The present invention relates to a novel process for the preparation of (S)-7-(1-acryloylpiperidin-4-yl)-2-(4-phenoxyphenyl)-4, 5, 6, 7-tetrahydropyrazolo[1,5-a] pyrimidine-3-carboxamide of formula-1 or its salts. The present invention also relates to novel process for the preparation of intermediate compound of Formula-7 and recovery of the intermediate compound of Formula-12, which is used in the preparation of compound of Formula-7. The compounds of formula-1 & formula-7 are represented by following structural formulae.
    Type: Application
    Filed: November 15, 2022
    Publication date: January 18, 2024
    Applicant: MSN LABORATORIES PRIVATE LIMITED, R&D CENTER
    Inventors: Thirumalai Rajan SRINIVASAN, Eswaraiah SAJJA, Satyanarayana REVU, Srinivas Reddy GADE, Malla Reddy ADLA, Naveen RAGAM
  • Patent number: 11872519
    Abstract: Disclosed is a carbon dioxide absorbent and a carbon dioxide separation method using the same that greatly reduces energy consumption due to a small amount of latent heat required in regeneration of absorbents, enhances CO2 absorption rate, undergoes almost no thermal denaturation even at high temperatures while absorbing carbon dioxide, and results in a considerable reduction of the cost associated with absorption of carbon dioxide.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: January 16, 2024
    Assignees: SOGANG UNIVERSITY RESEARCH FOUNDATION, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, KOREA CARBON CAPTURE & SEQUESTRATION R&D CENTER, KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Kwang Soon Lee, Hoon Sic Kim, Hui Yong Kim, Jung Hwan Kim, Sung June Hwang, Ja Yeop Kim, Shin Young Bae, Su Jin Na, Sang Do Park, Tae Sung Park, Yun Je Lee, Jong Kyun You
  • Patent number: 11863899
    Abstract: The disclosure discloses a CMOS image sensor, which includes a plurality of image sensor units and a resistance-to-digital converting unit. Each image sensor unit includes a pixel unit and a resistive random access memory unit connected to the pixel unit, the pixel unit is configured to convert a received optical signal into an analog signal and the resistive random access memory unit is configured to convert the analog electrical signal into a resistance value. The resistance-to-digital converting unit is connected to the plurality of the image sensor units, and is configured to convert the resistance value into a digital signal. The resistive random access memory unit is adopted in the present disclosure to replace a transistor device and is configured to convert resistance information of the resistive random access memory unit into a digital signal and output. Thus, digital quantization of image information is completed.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: January 2, 2024
    Assignees: Shanghai IC R&D Center Co., Ltd., Shanghai Integrated Circuit Equipment & Materials Industry Innovation Center Co., Ltd
    Inventors: Yuhang Zhao, Jianxin Wen, Changming Pi, Xi Zeng, Ling Shen
  • Patent number: 11855107
    Abstract: The present disclosure relates to an image sensor structure and a manufacturing method thereof. A detection structure layer and a blind pixel structure layer are used. The detection structure layer and the blind pixel structure layer are effectively combined and further formed by ion implantation. Thus, the space ratio of a single pixel is reduced, the integration and device sensitivity are improved, and the blind pixel array and the pixel array are also in the same environment, thereby further improving the detection sensitivity and reducing the detection error.
    Type: Grant
    Filed: February 6, 2022
    Date of Patent: December 26, 2023
    Assignee: SHANGHAI IC R&D CENTER CO., LTD.
    Inventor: Xiaoxu Kang
  • Patent number: 11813761
    Abstract: A handle bending razor includes a grip portion, a razor head, and a head coupling portion. The razor head has a blade body, a blade assembly body, a connecting portion, and an elastic support body. The handle bending razor includes a switching mechanism which can change an angle formed by a contact surface and an up-down direction and, when an external force is not applied, switches between a first state in which a neutral angle formed by the contact surface and the up-down direction is a first angle, and the contact surface and the up-down direction become substantially parallel and a second state in which the neutral angle is a second angle larger than the first angle. In the second state, when the external force is applied, the blade assembly body is tiltable to a position where the contact surface and the up-down direction become substantially perpendicular.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: November 14, 2023
    Assignee: KAI R&D CENTER CO., LTD.
    Inventor: Masashi Usuda
  • Patent number: 11804553
    Abstract: A transition metal dichalcogenide transistor, comprising: a gate, a gate dielectric layer and a channel layer from bottom to top, a source/drain region are located on both the sides of the gate dielectric layer, wherein, in a plane paralleled to the channel layer, the length of the channel layer in each direction is greater than the length of the gate dielectric layer, and the length of the gate dielectric layer in each direction is greater than or equal to the length of the gate; wherein, the source/drain region are a first transition metal dichalcogenide with metallic properties, and the channel layer is a second transition metal dichalcogenide with semiconductor properties.
    Type: Grant
    Filed: May 5, 2019
    Date of Patent: October 31, 2023
    Assignee: SHANGHAI IC R&D CENTER CO., LTD
    Inventors: Min Zhong, Shoumian Chen
  • Patent number: 11801611
    Abstract: A package opening knife has a body part, a blade part, a gripping part that extends in an elongated shape in a prescribed first direction, and a guide part provided with a guide surface that slides in a surface direction of the package in a state of contacting the package to guide movement of the blade part. When a surface direction of the guide is defined as a second direction, the first direction and the second direction become substantially parallel to each other.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: October 31, 2023
    Assignee: KAI R&D CENTER CO., LTD.
    Inventors: Kazuomi Sumi, Shogo Ochiai, Kazunobu Hara
  • Patent number: 11780624
    Abstract: A device for binding rod bundles includes a tilting apparatus, a wire stripper, a binding apparatus, and a collection apparatus. The tilting apparatus includes a tilting platform, a hydraulic cylinder, and an articulated base. The wire stripper includes a main body, a first sliding mechanism, a second sliding mechanism, a first slide block, and a second slide block. The binding apparatus includes an electric clamp, a clamping frame, a sliding rail, a rail base, and a drive motor. The collection apparatus is hinged to the tilting apparatus; the wire stripper is disposed below the tilting apparatus; the tilting platform includes a hinge hole for receiving one end of the clamping frame. The collection apparatus includes a shaft hole for receiving one end of the tilting platform. The hydraulic cylinder is hinged to the articulated base and the other end of the tilting platform is hinged to the hydraulic cylinder.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: October 10, 2023
    Assignees: TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY, HIGH-END EQUIPMENT AND RAIL TRANSIT TECHNOLOGY R & D CENTER OF HARAN TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Lifeng Ma, Jingfeng Zou, Rongjun Wang, Ziyong Ma
  • Patent number: 11769679
    Abstract: The present disclosure relates to an apparatus and a method for improving film thickness uniformity, wherein a PECVD machine with twin chambers comprise a wafer heating platform, which is set to be a rotating platform with programmable speed control, by setting rotating speed of the platform, wafer is rotated for integral rounds within process time, so that a RF overlap between the twin chambers make consistent influence on edge regions of the wafer, and film around the wafer is evenly distributed, which not only eliminate abrupt change of film thickness caused by the RF overlap, but also reduce film thickness differences between edge regions and central regions of the film by a characteristic that the RF overlap improves film deposition rate, so as to ensure the film thickness more evenly in the range of the whole wafer.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: September 26, 2023
    Assignee: SHANGHAI IC R&D CENTER CO., LTD
    Inventors: Xiaolan Zhong, Xiaoxu Kang