HS

Hiroyuki Sakamoto

KT Kabushiki Kaisha Toshiba: 54 patents #292 of 21,451Top 2%
NC Nippon Paint Holdings Co.: 24 patents #15 of 834Top 2%
Sumitomo Electric Industries: 19 patents #1,151 of 21,551Top 6%
HI Hitachi: 13 patents #3,142 of 28,497Top 15%
PA Panasonic: 6 patents #4,438 of 21,108Top 25%
HC Hitachi Car Engineering Co.: 6 patents #73 of 465Top 20%
ST Sandisk Technologies: 5 patents #115 of 394Top 30%
Toshiba Memory: 5 patents #380 of 1,971Top 20%
PC Primearth Ev Energy Co.: 4 patents #6 of 107Top 6%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
TC Toyobo Co.: 4 patents #56 of 498Top 15%
TA Toyo Aluminium: 4 patents #26 of 212Top 15%
MC Mita Industrial Co.: 3 patents #398 of 891Top 45%
HS Hitachi Automotive Systems: 3 patents #507 of 1,636Top 35%
KD Kuraray Noritake Dental: 3 patents #19 of 78Top 25%
TC Teikoku Seiyaku Co.: 2 patents #39 of 150Top 30%
Kioxia: 2 patents #693 of 1,813Top 40%
NO Nippon Oil: 1 patents #392 of 773Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
SO Sony: 1 patents #17,262 of 25,231Top 70%
NC Nitto Seiko Co.: 1 patents #10 of 46Top 25%
MP Mitsubishi Power: 1 patents #176 of 508Top 35%
FU Fujita: 1 patents #13 of 39Top 35%
📍 Toyohashi, JP: #2 of 1,141 inventorsTop 1%
Overall (All Time): #6,214 of 4,157,543Top 1%
150
Patents All Time

Issued Patents All Time

Showing 126–150 of 150 patents

Patent #TitleCo-InventorsDate
6156456 Positive electrode active material for alkaline storage battery Yoichi Izumi, Hidekatsu Izumi, Isao Matsumoto 2000-12-05
6153334 Active materials for the positive electrode in alkaline storage battery and the manufacturing method of them Hidekatsu Izumi, Yoichi Izumi, Isao Matsumoto 2000-11-28
6129902 Manufacturing method of active materials for the positive electrode in alkaline storage batteries Hidekatsu Izumi, Hirokazu Kimiya, Yoichi Izumi, Isao Matsumoto 2000-10-10
6106684 Cationic electrodeposition coating process and cationic eletrodeposition coating composition Ichiro Kawakami, Hitoshi Hori, Takao Saito, Masahiro Nishio 2000-08-22
6042753 Active materials for the positive electrode in alkaline storage batteries Hidekatsu Izumi, Hirokazu Kimiya, Yoichi Izumi, Isao Matsumoto 2000-03-28
6013390 Alkaline storage battery Hirokazu Kimiya, Hidekatsu Izumi, Youichi Izumi, Akihiro Maeda, Isao Matsumoto 2000-01-11
5893651 Camera system and camera lens control unit 1999-04-13
5705559 Crosslinked resin particles and production thereof Kenshiro Tobinaga, Yasuyuki Tsuchiya, Hisaichi Muramoto, Yusuke Ninomiya, Keizou Ishii +1 more 1998-01-06
5594619 Portable computer comprising keyboard and coordinate input tablet hingedly connected to a main body case through a junction base having a cylindrical element defining a linear groove therethrough Shigenori Miyagawa, Koichi Kobayashi, Shimpei Kunii, Shizuo Kamio, Fumitaka Sato +1 more 1997-01-14
5556913 Cationic electrocoating composition Kenshiro Tobinaga, Shinsuke Shirakawa, Satoshi Urano, Yasuyuki Tsuchiya 1996-09-17
5481430 Portable computer having keyboard and coordinate input tablet hingedly connected to a main body case through a groove Shigenori Miyagawa, Koichi Kobayashi, Shimpei Kunii, Shizuo Kamio, Fumitaka Sato +1 more 1996-01-02
5410447 Portable computer comprising keyboard and coordinate input tablet connected by two perpendicularly arranged hinges Shigenori Miyagawa, Koichi Kobayashi, Shimpei Kunii, Shizuo Kamio, Fumitaka Sato +1 more 1995-04-25
5389745 Handwriting input apparatus for inputting handwritten data from unspecified direction 1995-02-14
5355195 Copying machine Mitsugu Miyamoto, Koji Ujino 1994-10-11
5303201 Semiconductor memory and semiconductor memory board using the same 1994-04-12
5281994 Mirror-holding device Hideo Fukuda, Naruyuki Miyamoto, Ichirou Takahashi 1994-01-25
5268817 Portable computer with keyboard and having display with coordinate input tablet rotatably mounted to face either toward or away from keyboard when closed over keyboard Shigenori Miyagawa, Koichi Kobayashi, Shimpei Kunii, Shizuo Kamio, Fumitaka Sato +1 more 1993-12-07
5260555 IC memory card having direct and indirect access card interface functions 1993-11-09
5144366 Cooling system for use in an image forming machine Naruyuki Miyamoto, Ichirou Takahashi, Takashi Nagashima, Hiroyuki Arai 1992-09-01
5133806 Softy mud solidifying agent Masao Sagara, Masao Shimoda, Kitsugi Kyoichi 1992-07-28
5098949 Electrodepositable aqueous coating composition with a component having cyclic urea groups Kenshiro Tobinaga, Noriyuki Tsuboniwa, Satoshi Urano, Yasuyuki Tsuchiya, Hirotoshi Umemoto 1992-03-24
5070120 Aqueous dispersion of cationic crosslinked resin particles from resin having at least two vinyl groups Kenshiro Tobinaga, Yasuyuki Tsuchiya 1991-12-03
4939189 Water-borne coating composition Kenshiro Tobinaga, Hiroshi Tsushima, Yasuyuki Tsuchiya 1990-07-03
4730010 Quarternary ammonium group-containing resins for use in cathodic electrodeposition coating systems Yasuyuki Tsuchiya, Koji Ito, Koichi Hagihara, Yutaka Otsuki 1988-03-08
4692483 Water-based paint composition Yasuyuki Tsuchiya 1987-09-08