HK

Hirofumi Kubota

Sumitomo Electric Industries: 23 patents #806 of 21,551Top 4%
TO Toyota: 16 patents #1,599 of 26,838Top 6%
PA Panasonic: 8 patents #3,315 of 21,108Top 20%
Pioneer: 7 patents #234 of 1,730Top 15%
TC Toshiba Matsushita Display Technology Co.: 6 patents #16 of 235Top 7%
Pioneer Electronic: 4 patents #477 of 1,840Top 30%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
JC Japan Display Central: 1 patents #29 of 90Top 35%
DE Denso: 1 patents #6,940 of 11,792Top 60%
📍 Moriya, JP: #8 of 174 inventorsTop 5%
Overall (All Time): #31,685 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 51–67 of 67 patents

Patent #TitleCo-InventorsDate
6400430 Light control element, optical device, and electrical device having lightweight, and method of producing thereof Kenji Nakao, Seiji Nishiyama, Tsuyoshi Uemura, Masao Yamamoto 2002-06-04
6389348 Control system for vehicle having continuously variable transmission Isao Takagi, Zenichiro Mashiki, Hiroya Tanaka, Shinichi Mitani, Yasushi Ito 2002-05-14
6368680 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same Shinya Kosako, Kenji Nakao, Noriko Naito, Tsuyoshi Uemura, Masao Yamamoto 2002-04-09
6365239 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same Shinya Kosako, Kenji Nakao, Noriko Naito, Tsuyoshi Uemura, Masao Yamamoto 2002-04-02
6355314 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same Shinya Kosako, Kenji Nakao, Noriko Naito, Tsuyoshi Uemura, Masao Yamamoto 2002-03-12
6355315 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same Shinya Kosako, Kenji Nakao, Noriko Naito, Tsuyoshi Uemura, Masao Yamamoto 2002-03-12
6352491 Fuel supply amount control apparatus and method for internal combustion engine Zenichiro Mashiki, Isao Takagi, Hiroya Tanaka, Shinichi Mitani 2002-03-05
6297589 Organic electroluminescence full color display panel and method of manufacturing the same Satoshi Miyaguchi, Shinichi Ishizuka, Kenji Yoshida 2001-10-02
6222315 Luminescent display panel with insulating films Atsushi Yoshizawa, Kenji Yoshida, Taizo Ishida 2001-04-24
6221443 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same Shinya Kosako, Kenji Nakao, Noriko Naito, Tsuyoshi Uemura, Masao Yamamoto 2001-04-24
6128056 Liquid crystal display element in which the polymer liquid crystal composite layer is divided into an active area and a non-active area and method of manufacturing the same Kenji Nakao, Tsuyoshi Uemura 2000-10-03
6066070 Control system of vehicle having continuously variable transmission Yasushi Ito 2000-05-23
6063003 Control system of vehicle having continuously variable transmission Yasushi Ito 2000-05-16
5962970 Organic electroluminescent display panel including bonding pads arranged at a periphery of an image region Akira Yokoi, Satoshi Miyaguchi, Kenichi Nagayama, Kenji Yoshida, Taizo Ishida 1999-10-05
5722184 Method for feeding metalorganic gas from solid raw materials in MOCVD and its device Atsushi Onoe, Kiyofumi Chikuma 1998-03-03
5581396 Wavelength converting device having an epitaxial waveguide layer Kiyofumi Chikuma 1996-12-03
5398127 Active matrix twisted nematic liquid crystal display with rubbing direction 1-44 degrees to the electrodes Shoichi Ishihara, Hirofumi Wakemoto, Keisuke Tsuda, Hiroshi Satani, Katsuji Hattori 1995-03-14