Patents by Inventor Hua Feng

Hua Feng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Drill bit locking device and drill bit
    Patent number: 9295475
    Abstract: A drill bit locking device and a drill bit are provided. The locking device includes a boss with a through hole, a bearing and a support member are arranged an inner wall of a small cylinder above the boss; a locking sleeve is sleeved over the boss, a first bulge is on an inner wall of an upper part of the locking sleeve, and a second bulge is on an inner wall of a lower part; a spring is between the second bulge and an upper bottom surface of the boss; a press plate is threadedly connected with an outer wall of a top part of the small cylinder and presses against the first bulge; holes of different sizes are on the inner wall of the small cylinder and the support member to form a stepped hole, and a steel ball is arranged in the stepped hole.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: March 29, 2016
    Assignee: CHONGQING RUNZE PHARMACEUTICAL CO., LTD.
    Inventors: Lei Ye, Jian Zhou, Hua Feng, Fei Li, Hengyang Zhu, Congxiao Li
  • Surgical milling cutter bracket
    Patent number: 9282982
    Abstract: A surgical milling cutter bracket includes a retaining base having a through hole. The upper part of the retaining base is provided with a finger guide having an L-shaped support frame on the top of the finger guide. A downward protrusion is provided at the end of the short side of the L-shaped support frame. The lowest point of the protrusion is lower than the lowest point of the cylindrical head of the milling cutter during normal operation of the milling cutter. A bolt having a through hole at the center is fixed within the cavity of the finger guide. A depressor is provided on the upper part of the retaining base. The bolt passes through a hole of the depressor and is connected to a nut. The protrusion is able to prevent an object from contacting the cylindrical head, thus avoiding cutting the object unevenly.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: March 15, 2016
    Assignee: CHONGQING RUNZE PHARMACEUTICAL CO., LTD.
    Inventors: Lei Ye, Jian Zhou, Hua Feng, Fei Li, Hengyang Zhu, Congxiao Li
  • Electronic device with phase change material microcapsule layer
    Patent number: 9282679
    Abstract: An electronic device includes a case, a control module, a plurality of heat sinks and at least one airflow guiding structure. The case includes a bottom plate, a top plate, and at least one side plate. The bottom plate has a plurality of bottom holes for guiding air into the case. The top plate has a plurality of top holes for exhausting air in the case. The side plate connects the top plate and the bottom plate and has a plurality of side holes for exhausting air in the case. The control module is disposed in the case. The heat sinks are thermally connected to the control module. The airflow guiding structure is disposed between the heat sinks for guiding a part of the air in the case to the exterior of the case through the side holes.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: March 8, 2016
    Assignees: Inventec (Pudong) Technology Corporation, INVENTEC CORPORATION
    Inventors: Huang-Cheng Ke, Hua-Feng Chen
  • Fan structure and casing structure
    Patent number: 9255585
    Abstract: A fan structure used for connecting with a plate body includes a main body, a fan blade, a sliding member and a locating member. The main body has an accommodating space and an adjustment slot. The fan blade is pivotally disposed on the main body and is located inside the accommodating space. The sliding member has a base and a joining portion. The base is accommodated in the adjustment slot. The sliding member is joined to the plate body through the joining portion. The locating member is used for joining the sliding member and the main body together, so as to fix the relative position of the sliding member and the main body.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: February 9, 2016
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Hua-Feng Chen, Ting-Chiang Huang, Te-Chuan Wang
  • Drill head locking apparatus and drill head
    Patent number: 9254136
    Abstract: A drill head locking apparatus and a drill head are provided. The locking apparatus includes a protruding platform having a through hole, a bearing on the inner wall of a small cylinder on the protruding platform, a locking sleeve fitted on the protruding platform, and a protrusion arranged on the upper part of the inner wall of the locking sleeve. The lower part of the inner wall of the locking sleeve is a conical face. A spring is arranged between the bottom face of the conical face and an upper bottom face of the protruding platform. A press plate is connected with a screw thread on the outer wall of the top part of the small cylinder on the protruding platform and presses down on the protrusion. A conical hole is arranged on the wall of the small cylinder and communicates with the through hole of the protruding platform.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: February 9, 2016
    Assignee: Chongqing Runze Pharmaceutical Co., Ltd.
    Inventors: Lei Ye, Jian Zhou, Hua Feng, Fei Li, Hengyang Zhu, Congxiao Li
  • METHOD FOR PRODUCING SOLUBLE RECOMBINANT INTERFERON PROTEIN WITHOUT DENATURING
    Publication number: 20160032345
    Abstract: The present invention relates to the field of recombinant protein production in bacterial hosts. It further relates to extraction of soluble, active recombinant protein from an insoluble fraction without the use of denaturation and without the need for a refolding step. In particular, the present invention relates to a production process for obtaining high levels a soluble recombinant Type 1 interferon protein from a bacterial host.
    Type: Application
    Filed: October 15, 2015
    Publication date: February 4, 2016
    Inventors: Jeffrey Allen, Ping-Hua Feng, Anant Patkar, Keith L. Haney, Lawrence Chew, Lei Lei Phokham Sengchanthalangsy
  • Crystal form I of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide, preparing method and use thereof
    Patent number: 9238622
    Abstract: A crystal form I of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide, or named (S)-oxiracetam, is provided, which is characterized by a powder x-ray diffraction pattern that exhibits data of d-values versus the relative intensities as: 7.075(M), 5.355(S), 5.092(S), 4.590(M), 4.325(M), 4.259(S), 4.041(VS), 3.808(M), 3.542(M), 3.445(M), 3.393(M), 2.972(M), 2.914(S). A method for preparing a crystal form I of (S)-oxiracetam is also provided, which includes preparing the crude product and crystallizing A use of the crystal form I of (S)-oxiracetam in the manufacture of a medicament for preventing and treating memory dysfunction is also provided. Accordingly, the crystal form I of (S)-oxiracetam prepared by the method has high purity of more than 99.3% based on the percentages of the mass, with better efficacy than (S)-oxiracetam for preventing or treating memory dysfunction.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: January 19, 2016
    Assignee: CHONGQING RUNZE PHARMACEUTICAL CO., LTD.
    Inventors: Chao You, Hua Feng, Qi Pang, Lei Ye, Yuying Chen, Zuyuan Rong, Lei Jin, Nan Xu, Fei Li, Bo Li
  • Source and drain dislocation fabrication in FinFETs
    Patent number: 9230828
    Abstract: A device includes a semiconductor fin over a substrate, a gate dielectric on sidewalls of the semiconductor fin, and a gate electrode over the gate dielectric. A source/drain region is on a side of the gate electrode. A dislocation plane is in the source/drain region.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: January 5, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Zhiqiang Wu, Wen-Hsing Hsieh, Hua Feng Chen, Ting-Yun Wu, Carlos H. Diaz, Tzer-Min Shen, Ya-Yun Cheng
  • Dual card connector and wireless electronic device employing same
    Patent number: 9208406
    Abstract: A dual card connector includes a holder and a base body. The holder defines two overlapped sliding slots for receiving cards, each sliding slot includes a group of conductive terminal assemblies, the holder includes a plurality of elastic pieces, the elastic pieces are connected to the conductive terminal assemblies. The base body includes at least two groups of connecting terminals. The holder is detachably mounted to the base body, thus the elastic pieces are resisted and electrically connected to the connecting terminals. An electronic device employing the dual card connector is also disclosed.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: December 8, 2015
    Assignees: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITED
    Inventors: Li-Fang Cao, Hua-Feng Hao
  • Method for producing soluble recombinant interferon protein without denaturing
    Patent number: 9187543
    Abstract: The present invention relates to the field of recombinant protein production in bacterial hosts. It further relates to extraction of soluble, active recombinant protein from an insoluble fraction without the use of denaturation and without the need for a refolding step. In particular, the present invention relates to a production process for obtaining high levels a soluble recombinant Type 1 interferon protein from a bacterial host.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: November 17, 2015
    Assignee: PFENEX INC.
    Inventors: Jeffrey Allen, Ping-Hua Feng, Anant Patkar, Keith L. Haney, Lawrence Chew, Lei Lei Phokham Sengchanthalangsy
  • Scalable serializer
    Patent number: 9143164
    Abstract: According to an exemplary embodiment, a serializer includes upper and lower shift registers configured to perform a load function where parallel input data is loaded from a parallel input bus and a shift function where the parallel input data is shifted to an output register. The upper shift register is configured to perform the load function while the lower shift register performs the shift function, and the lower shift register is configured to perform the load function while the upper shift register performs the shift function. An output register is configured to alternately receive the parallel input data from the upper shift register and the parallel input data from the lower shift register. The upper and lower shift registers and the output register can comprise scan flip-flops.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: September 22, 2015
    Assignee: BROADCOM CORPORATION
    Inventors: Hua-Feng Chen, Karthik Chandrasekharan, Ramamurthy Gorti, Gregory Djaja, Douglas Smith
  • Method for processing a sensor chip
    Patent number: 9086346
    Abstract: The method for processing a sensor chip in accordance with the present invention has: 1) providing an acoustic wave operation system and a biochemical sensor chip, wherein the acoustic wave operation system has a piezoelectric transducer generating at least one cycle of longitudinal acoustic waves by a driving voltage and wherein a probe is immobilized on a surface of the biochemical sensor chip; 2) arranging the piezoelectric transducer at a distance from the biochemical sensor chip and filling therebetween with a medium for transmitting longitudinal acoustic waves; and 3) applying longitudinal acoustic waves to the biochemical sensor chip to remove an adsorbate bound to the probe.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: July 21, 2015
    Assignee: National Chung Cheng University
    Inventors: Lai-Kwan Chau, Guo-Hua Feng, Wei-Ting Hsu, Cheng-Lung Cho
  • Method, apparatus and database system for restoring tenant data in a multi-tenant environment
    Patent number: 9075839
    Abstract: A method, apparatus and database system restore tenant data in a multi-tenant environment. The method comprises: logging a plurality of tenants' requests to the database; with respect to a particular tenant who requires restoring tenant data, acquiring a log of events which affect contents of the database and start from a particular backup point; and only restoring in the database data of the particular tenant to the particular backup point, according to the acquired log of events. When a tenant performs a wrong operation on the database and wishes to roll back to a backup point, only information of the particular tenant in the database is changed into the information at the backup point, without affecting other tenants.
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: July 7, 2015
    Assignee: International Business Machines Corporation
    Inventors: Chen Hua Feng, Kai Tang, Yun Tao Wang, Jian Ming Zhang
  • Smart card securing mechanism and electronic device using same
    Patent number: 9065204
    Abstract: A smart card securing mechanism for securing a first smart card and a second smart card includes a base, a first latching member, a second latching member, and an elastic sheet. The base includes a first connector. The first latching member is positioned on one side of the base. The second latching member includes a second connector and is positioned on another side of the base. The elastic sheet is mounted to the base. The first smart card is received in a space defined between the base and the first latching member. The second smart card is received in a space defined between the base and the second latching member. The elastic sheet abuts against the second smart card.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: June 23, 2015
    Assignees: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (Hong Kong) Limited
    Inventors: Bai-Hang Wan, Hua-Feng Hao
  • SELECTING WEBPAGE TEST PATHS
    Publication number: 20150169430
    Abstract: A method for selecting webpage test paths includes segmenting a current webpage into blocks; performing operations on a representative interactive element contained in a user concerned block to proceed to a next webpage; iteratively repeating the segmenting and the performing on a next webpage until an ending webpage; recording webpage test paths from the beginning webpage to the ending webpage; and determining importance degrees of the webpage test paths and selecting webpage test paths to be test according to the importance degrees.
    Type: Application
    Filed: December 13, 2013
    Publication date: June 18, 2015
    Applicant: International Business Machines Corporation
    Inventors: Bai Chen Deng, Qing Hua Feng, Jia Lin Li, Jun Hua Wang, Shi Wan Zhao
  • ELECTRONIC DEVICE
    Publication number: 20150156915
    Abstract: An electronic device includes a case, a control module, a plurality of heat sinks and at least one airflow guiding structure. The case includes a bottom plate, a top plate, and at least one side plate. The bottom plate has a plurality of bottom holes for guiding air into the case. The top plate has a plurality of top holes for exhausting air in the case. The side plate connects the top plate and the bottom plate and has a plurality of side holes for exhausting air in the case. The control module is disposed in the case. The heat sinks are thermally connected to the control module. The airflow guiding structure is disposed between the heat sinks for guiding a part of the air in the case to the exterior of the case through the side holes.
    Type: Application
    Filed: March 31, 2014
    Publication date: June 4, 2015
    Applicants: INVENTEC CORPORATION, Inventec (Pudong) Technology Corporation
    Inventors: Huang-Cheng KE, Hua-Feng CHEN
  • Surgical milling cutter
    Patent number: 9017332
    Abstract: A surgical milling cutter includes a milling cutter holder, a locking device, a locking seat, and a main machine. The milling cutter holder includes a fixing seat with a through hole. A finger guider with an L-type holder on a top end thereof is arranged at an upper part of the fixing seat. A distal end of a short side of the L-type holder is disposed with a downward projection, and a lowest point of the projection is lower than that of a cylindrical head when the milling cutter works normally. A bolt with a central through hole is fixed in a cavity of the finger guider. A pressing disk is arranged at the upper part of the fixing seat, and a nut is connected to the bolt through a hole in the pressing disk.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: April 28, 2015
    Assignee: Chongqing Runze Pharmaceutical Co., Ltd.
    Inventors: Lei Ye, Jian Zhou, Hua Feng, Fei Li, Hengyang Zhu, Congxiao Li
  • Coated abrasive backings with cloth treated with colloidal silicon oxide
    Patent number: 8940063
    Abstract: A cloth backing for an abrasive article is treated by combining a phenolic resin, a latex and a colloidal silicon oxide composition to prepare a colloidal formulation, which is then applied to the cloth backing and cured. Coated abrasive articles are formed by applying a make coat formulation to the treated cloth backing, applying an abrasive and then curing the make coat formulation.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: January 27, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Yu Xiang Yang, Adiseshaiah K. Seshu, Lin Hua Feng
  • Method of forming a FinFET device
    Patent number: 8932936
    Abstract: A method for fabricating a device is disclosed. An exemplary method includes providing a substrate and forming a plurality of fins over the substrate. The method further includes forming a first opening in the substrate in a first longitudinal direction. The method further includes forming a second opening in the substrate in a second longitudinal direction. The first and second longitudinal directions are different. The method further includes depositing a filling material in the first and second openings.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: January 13, 2015
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Chu Liu, Kuei-Shun Chen, Chih-Hsiung Peng, Chi-Kang Chang, Chiang Mu-Chi, Sheng-Yu Chang, Hua Feng Chen, Chao-Cheng Chen, Ryan Chia-Jen Chen
  • DUAL CARD CONNECTOR AND WIRELESS ELECTRONIC DEVICE EMPLOYING SAME
    Publication number: 20150004846
    Abstract: A dual card connector includes a holder and a base body. The holder defines two overlapped sliding slots for receiving cards, each sliding slot includes a group of conductive terminal assemblies, the holder includes a plurality of elastic pieces, the elastic pieces are connected to the conductive terminal assemblies. The base body includes at least two groups of connecting terminals. The holder is detachably mounted to the base body, thus the elastic pieces are resisted and electrically connected to the connecting terminals. An electronic device employing the dual card connector is also disclosed.
    Type: Application
    Filed: June 25, 2014
    Publication date: January 1, 2015
    Inventors: LI-FANG CAO, HUA-FENG HAO