Patents by Inventor Jun Hinami
Jun Hinami 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).
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Patent number: 6460984Abstract: A liquid supply system includes a liquid supply container provided with a liquid accommodating portion being deformable by storing liquid in the closed space to be able to generate negative pressure, a liquid supply unit detachably mountable on the liquid supply container to contain the capillary force generating material retaining liquid therein, and at the same time, to supply liquid to the outside, a container for the capillary force generating material provided with an air communication unit communicating with the air outside to be able to generate the gas-liquid exchange for leading out liquid by introducing gas into the liquid accommodating portion through the communication unit connected with the liquid supply container, and the communication unit being arranged on the upper surface of the container for the capillary force generating material, at the same time, the liquid supply container being arranged above the container for the capillary force generating material through the communication unit to shType: GrantFiled: April 28, 1999Date of Patent: October 8, 2002Assignee: Canon Kabushiki KaishaInventors: Hidehisa Matsumoto, Hiroyuki Ishinaga, Jun Hinami
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Publication number: 20020113853Abstract: An ink absorbent is contained in the housing of an ink tank for storing ink in the interior thereof, which is provided with a supply port for leading out ink to the outside, and an atmospheric communication port to be communicated with the air outside, and the ink absorbent is formed by fiber material having the surface formed at least by thermoforming. For this ink absorbent, the face which faces the supply port on the inner face of the ink tank is a cut face. With the structure thus arranged, the ink absorbent is prepared to provide cut faces to make the fiber absorbent softer than the thermoformed surface. Then, with the deformability and resiliency of the ink absorbent itself thus obtained, the close contactness with the inner walls of the ink tank is enhanced to prevent not only the ink shortage and ink leakage due to the air pass, but also, prevent the ink absorbent from being deviated when installed.Type: ApplicationFiled: April 24, 2002Publication date: August 22, 2002Applicant: CANON KABUSHIKI KAISHAInventors: Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Jun Hinami, Kenta Udagawa, Shuzo Iwanaga
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Patent number: 6422674Abstract: There is disclosed a liquid supply system comprises a negative pressure generating member containing chamber provided with a liquid supply portion for supply liquid to the outside and an atmosphere connecting portion for connecting with atmosphere for containing a negative pressure generating member holding the liquid inside, a liquid containing chamber connected to the negative pressure generating member containing chamber, forming a sealed space except the connection, and having a liquid containing portion which can generate a negative pressure by deformation, and liquid residual amount detecting means for detecting a liquid level position of the liquid in the liquid containing portion to detect a liquid residual amount in the liquid containing portion. Since the liquid residual amount can be known, a user can know the time to exchange the liquid containing chamber. Moreover, by detecting the liquid state in the liquid containing portion, more stable liquid supply operation can be realized.Type: GrantFiled: December 22, 1999Date of Patent: July 23, 2002Assignee: Canon Kabushiki KaishaInventors: Jun Hinami, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Hidehisa Matsumoto, Hiroki Hayashi
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Patent number: 6371594Abstract: An ink jet recording head comprises a grooved ceiling plate provided with a plurality of discharge openings for discharging ink, and a plurality of ink flow path grooves to form ink flow paths conductively connected with the discharge openings, a plurality of elemental substrates provided with a plurality of electrothermal transducing devices to generate thermal energy used for discharging ink, and a metallic pressure member for pressing the plurality of elemental substrates to be in contact with the grooved ceiling plate. The grooved ceiling plate and the elemental substrates are coupled to enable the ink flow path grooves and the electrothermal transducing devices to correspond to each other for the formation of ink flow paths. Here, the pressure member presses the reverse side of the surface of the elemental substrates having the electrothermal transducing devices provided therefor in order to couple the elemental substrates with the grooved ceiling plate.Type: GrantFiled: August 26, 1997Date of Patent: April 16, 2002Assignee: Canon Kabushiki KaishaInventors: Wataru Takahashi, Kazuaki Masuda, Hajime Yamamoto, Eiichiro Shimizu, Yasuo Kotaki, Teruo Arashima, Jun Hinami
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Patent number: 6347865Abstract: A liquid container comprises an inner wall that forms the liquid containing portion to contain liquid therein; an outer wall that forms the container to contain the liquid containing portion therein; and a liquid supply portion for supplying liquid from the liquid containing portion to the outside. Then, the inner wall is arranged to be a member to generate negative pressure in the liquid containing portion by being deformed following the leading-out of the liquid, and also, formed by the material having an elastic modulus change of 25% or less against the temperature change of use environment. With the liquid container thus structured, it is possible to implement the stable supply of liquid by stabilizing the characteristic of negative pressure in the liquid containing portion thereof irrespective of the temperature changes of use environments.Type: GrantFiled: April 26, 2000Date of Patent: February 19, 2002Assignee: Canon Kabushiki KaishaInventors: Hidehisa Matsumoto, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Jun Hinami, Hiroki Hayashi
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Patent number: 6334674Abstract: An ink absorber is housed inside a housing of an ink tank and is capable of retaining ink. The ink absorber has an outer surface equal to or corresponding to a shape of an internal surface of the housing and is made of a fiber material obtained by compressing a fiber body and thermally molding at least a surface thereof. An ink tank is comprised of the ink absorber and the housing. An ink jet cartridge is comprised of the ink tank and a print head. The ink absorber has an outer surface equal to or corresponding to a shape of an internal surface of the housing before being inserted into the housing. The ink absorber comprises a fiber material, and is formed by compressing a fiber body and thermally molding at least a surface thereof.Type: GrantFiled: July 30, 1996Date of Patent: January 1, 2002Assignee: Canon Kabushiki KaishaInventors: Takayuki Ono, Hiroshi Sugitani, Kazuaki Masuda, Hajime Yamamoto, Eiichiro Shimizu, Torachika Osada, Masahiko Higuma, Keisuke Matsuo, Jun Hinami, Masaru Iketani
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Patent number: 6325500Abstract: An ink tank provided with an ink containing portion containing ink therein, and a housing protecting the ink containing portion is characterized by a resin material capable of transmitting therethrough visible light and infrared light travelling from the exterior of the housing toward the interior of the ink containing portion and capable of decreasing ultraviolet light travelling from the exterior of the housing toward the interior of the ink containing portion.Type: GrantFiled: June 21, 2000Date of Patent: December 4, 2001Assignee: Canon Kabushiki KaishaInventors: Kenji Kitabatake, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Hidehisa Matsumoto, Jun Hinami, Hiroki Hayashi
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Patent number: 6293652Abstract: A method for coupling a liquid jet head unit is to couple a liquid jet head unit for recording by discharging liquid to a recording medium with a head installation member capable of installing the head unit through an elastic member.Type: GrantFiled: August 21, 1997Date of Patent: September 25, 2001Assignee: Canon Kabushiki KaishaInventors: Teruo Arashima, Kazuaki Masuda, Junji Shimoda, Hajime Yamamoto, Minoru Nozawa, Akihiro Yamanaka, Eiichiro Shimizu, Yasuo Kotaki, Jun Hinami, Wataru Takahashi
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Patent number: 6270206Abstract: An ink container includes an ink absorbing material for retaining ink and producing a negative pressure; a casing, provided with an ink supplying portion and an air vent, for accommodating the ink absorbing material; wherein the ink absorbing material is of thermoplastic material and has a surface ink blocking layer provided by heating and melting a surface of the absorbing material; wherein the ink blocking layer blocks movement of the ink contained in the ink absorbing material to outside, and constitutes at least a part of the casing.Type: GrantFiled: July 29, 1998Date of Patent: August 7, 2001Assignee: Canon Kabushiki KaishaInventors: Eiichiro Shimizu, Hajime Yamamoto, Jun Hinami, Hiroki Hayashi
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Patent number: 6243116Abstract: The present invention concerns an ink jet unit detachably mounted to the carriage of an ink jet recording apparatus. The ink jet unit includes an ink container for storing ink and a casing for retaining the ink container, wherein the casing and ink container are independent from each other so that the ink container can be exchangeably installed in the casing. The casing includes an ink jet recording portion, an opening for mounting the ink container thereto, a guide portion for installing the ink container into an accommodating portion through a rotary motion, a shoe portion generating a resistive feel when the ink container is inserted into the accommodating portion, and a dislocation preventive member. The shoe portion has a pressing device for maintaining fluid communication between the ink container and an ink supply tube contained in the casing.Type: GrantFiled: February 3, 1997Date of Patent: June 5, 2001Assignee: Canon Kabushiki KaishaInventors: Yasuo Kotaki, Masanori Takenouchi, Hideo Saikawa, Minoru Nozawa, Osamu Sato, Toshihiko Ujita, Masashi Miyagawa, Hisashi Yamamoto, Yuji Hamasaki, Jun Hinami
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Patent number: 6234618Abstract: An ink absorbing body stores an ink injected into an ink tank for an ink-jet with capillary force between fiber. On a surface of said fiber before filling the ink, a surfactant is deposited within a range of 0.002 to 0.2 wt % relative to a weight of the ink or in a range of 0.01 to 0.5 wt % relative to a weight of the fiber.Type: GrantFiled: November 1, 1996Date of Patent: May 22, 2001Assignee: Canon Kabushiki KaishaInventors: Hajime Yamamoto, Eiichiro Shimizu, Keisuke Matsuo, Teruo Arashima, Jun Hinami, Wataru Takahashi
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Patent number: 6220697Abstract: The present invention provides an ink jet recording head comprising a top plate in which two groups of ink passage grooves for forming ink passages, two ink chamber frames, ink introduction passages, two rows of ink discharge ports are formed, two substrates on which a plurality of resistive heat generating elements for discharging ink are formed in correspondence to the two rows of ink discharge ports, and two elastic members for contacting under pressure and securing the substrates and the top plate for each said substrate, and wherein the junction between the substrates and the top plate forms the ink passages and the ink chambers therebetween, and further wherein a groove for isolating the ink discharge port rows from each other is formed between the ink discharge port rows and a depth of the groove is greater than depths of the ink discharge ports and the ink passages.Type: GrantFiled: August 28, 1997Date of Patent: April 24, 2001Assignee: Canon Kabushiki KaishaInventors: Akihiro Yamanaka, Kazuaki Masuda, Hajime Yamamoto, Eiichiro Shimizu, Yasuo Kotaki, Teruo Arashima, Jun Hinami, Wataru Takahashi
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Patent number: 6145975Abstract: A mounting method of an ink container to an ink jet unit mountable to an ink jet recording apparatus, wherein the ink container is mounted while a corner portion of the ink container between a top surface and a rear side is slid in contact with an urging member and while a corner portion of the ink container between a front side and a bottom side is slid toward a front side of the ink jet unit in contact with an inner bottom surface of the ink jet unit.Type: GrantFiled: September 5, 1996Date of Patent: November 14, 2000Assignee: Canon Kabushiki KaishaInventors: Yasuo Kotaki, Masanori Takenouchi, Hideo Saikawa, Minoru Nozawa, Osamu Sato, Toshihiko Ujita, Masashi Miyagawa, Hisashi Yamamoto, Yuji Hamasaki, Jun Hinami
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Patent number: 6070974Abstract: An ink jet unit to which an ink container is detachably mountable, and which is further mountable to an ink jet recording apparatus so as to effect ink jet recording. The ink jet unit includes an ink jet head for ejecting ink for recording, an ink supply tube for receiving ink from the ink container and being provided at a bottom portion of the ink jet unit in fluid communication with the ink jet head, and an opening for permitting mounting of the ink container thereto. The opening is formed continuously, in such sides of the ink jet unit as take top and front positions when the ink jet unit is mounted to the ink jet recording apparatus. A cover is provided, at the top side of the ink jet unit.Type: GrantFiled: February 3, 1997Date of Patent: June 6, 2000Assignee: Canon Kabushiki KaishaInventors: Yasuo Kotaki, Masanori Takenouchi, Hideo Saikawa, Minoru Nozawa, Osamu Sato, Toshihiko Ujita, Masashi Miyagawa, Hisashi Yamamoto, Yuji Hamasaki, Jun Hinami
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Patent number: 5831652Abstract: A method and a member, by the provision of a simple structure, protect the elastic latch nail of an ink tank from external shocks, and/or prevent ink leakage from the ink tank. The ink tank protection member comprises a sealing tape 320 having a tab portion 325 needed for peeling it off, and an elastic latch nail fixing member 360 provided on the sealing tape to be nipped between the elastic latch nail 310 of the ink tank and the main body of the ink tank 350.Type: GrantFiled: February 26, 1996Date of Patent: November 3, 1998Assignee: Canon Kabushiki KaishaInventors: Jun Hinami, Sadayuki Sugama, Hirofumi Okuhara
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Patent number: 5815184Abstract: An ink container for storing ink and an ink jet apparatus having such an ink container is provided. The ink container has an ink tank providing an enclosed space within an inner wall of the tank. The ink container is filled with inner and outer porous members having open pores for holding ink. The inner porous members are disposed within the enclosed space so as to only contact and press against other inner or outer porous members or both. The outer porous members are disposed within the enclosed space so as to contact and press against the inner porous members and the inner wall of the ink tank. This arrangement of inner and outer porous members within the ink container prevents an uneven compression distribution which occurs when conventional porous members are inserted into ink containers or when ink containers containing such conventional porous members suffer impacts.Type: GrantFiled: September 15, 1997Date of Patent: September 29, 1998Assignee: Canon Kabushiki KaishaInventors: Toshihiko Ujita, Hiroshi Sugitani, Tsuyoshi Orikasa, Osamu Sato, Masahiko Higuma, Yasuo Kotaki, Jun Hinami
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Patent number: 5619239Abstract: A replaceable ink tank for an ink cartridge used in a bubble jet printer comprises a container formed by two side walls providing major surfaces of the container, and back, front, top and bottom walls. At least one ink supply port is provided in the bottom wall of container and is disposed for supplying ink from at least one ink chamber in the container to a corresponding ink tapping pipe in the ink cartridge. The container is configured for insertion into an opening in the top and front of the ink cartridge with the bottom wall of the container facing downward and a back wall facing a back wall of the ink cartridge, the container being constructed for engaging a camming shoe located at the back inside of a top wall of the cartridge and securing the container in place in the ink cartridge with the ink supply port connecting with the corresponding ink tapping pipe.Type: GrantFiled: November 25, 1994Date of Patent: April 8, 1997Assignee: Canon Kabushiki KaishaInventors: Yasuo Kotaki, Masanori Takenouchi, Hideo Saikawa, Minoru Nozawa, Osamu Sato, Toshihiko Ujita, Masashi Miyagawa, Hisashi Yamamoto, Yuji Hamasaki, Jun Hinami
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Patent number: 5567373Abstract: The invention provides a method and apparatus for manufacturing a liquid container having an enclosed space within an inner wall of the liquid container, the enclosed space filled with a plurality of porous members. The plurality of porous members include a plurality of inner porous members and a plurality of outer porous members. The method includes the step of packing the porous members into the enclosed space so that the inner porous members only contact and press against other inner porous members and/or outer porous members, and the outer porous members contact and press against the inner porous members and the inner wall of the liquid container. The method also comprises a step of compressing the porous members. The apparatus has compressing means for compressing the porous members and packing means for packing the porous members into the liquid container.Type: GrantFiled: January 27, 1995Date of Patent: October 22, 1996Assignee: Canon Kabushiki KaishaInventors: Osamu Sato, Hiroshi Sugitani, Tsuyoshi Orikasa, Toshihiko Ujita, Masahiko Higuma, Yasuo Kotaki, Jun Hinami
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Patent number: D371160Type: GrantFiled: February 22, 1995Date of Patent: June 25, 1996Assignee: Canon Kabushiki KaishaInventors: Yasuo Kotaki, Yuji Hamasaki, Hideo Saikawa, Hiroyuki Tokuda, Shosaku Kawashima, Masanori Takenouchi, Osamu Sato, Hisashi Yamamoto, Jun Hinami, Toshiaki Sasaki
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Patent number: D375120Type: GrantFiled: February 22, 1995Date of Patent: October 29, 1996Assignee: Canon Kabushiki KaishaInventors: Yasuo Kotaki, Yuji Hamasaki, Hideo Saikawa, Hiroyuki Tokuda, Shosaku Kawashima, Masanori Takenouchi, Osamu Sato, Hisashi Yamamoto, Jun Hinami, Toshiaki Sasaki