HY

Hiroyuki Yamada

HI Hitachi: 55 patents #211 of 28,497Top 1%
NT Ntn: 31 patents #29 of 1,364Top 3%
HS Hitachi Automotive Systems: 25 patents #21 of 1,636Top 2%
SO Sony: 22 patents #1,822 of 25,231Top 8%
KO Konica: 19 patents #65 of 1,958Top 4%
Sumitomo Electric Industries: 19 patents #1,151 of 21,551Top 6%
HC Hitachi Car Engineering Co.: 16 patents #28 of 465Top 7%
MU Murakumo: 15 patents #1 of 3Top 35%
PA Panasonic: 14 patents #1,670 of 21,108Top 8%
SC Sanyo Electric Co.: 13 patents #333 of 6,347Top 6%
TI Toray Industries: 10 patents #203 of 3,690Top 6%
Tdk: 9 patents #675 of 3,796Top 20%
Honda Motor Co.: 9 patents #2,356 of 21,052Top 15%
KA Kao: 8 patents #367 of 3,221Top 15%
HC Hitachi Construction Machinery Co.: 8 patents #167 of 1,234Top 15%
TH Thoratec: 8 patents #12 of 177Top 7%
RI Rinnai: 7 patents #12 of 173Top 7%
OC Oki Electric Industry Co.: 6 patents #312 of 2,807Top 15%
FC Furukawa Electric Co.: 6 patents #331 of 2,370Top 15%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
ST Sandisk Technologies: 5 patents #115 of 394Top 30%
HC Hitachi Automotive Engineering Co.: 5 patents #22 of 314Top 8%
SC Scalar: 5 patents #2 of 11Top 20%
HA Hitachi Astemo: 5 patents #131 of 1,276Top 15%
TC Toyoda Gosei Co.: 4 patents #572 of 2,296Top 25%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
OC Olympus Optical Co.: 3 patents #953 of 2,334Top 45%
JA Japan Science And Technology Agency: 3 patents #235 of 2,171Top 15%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
NC Nippon Electric Glass Co.: 3 patents #132 of 437Top 35%
NI Nisca: 3 patents #129 of 371Top 35%
OE Omron Tateisi Electronics: 3 patents #92 of 599Top 20%
DE Denso: 2 patents #4,986 of 11,792Top 45%
MC Murata Manufacturing Co.: 2 patents #2,631 of 5,295Top 50%
OC Oji Paper Co.: 2 patents #101 of 423Top 25%
LI Lixil: 2 patents #49 of 168Top 30%
KM Konica Minolta: 2 patents #764 of 1,361Top 60%
SC Senju Metal Industry Co.: 2 patents #126 of 349Top 40%
SU Shinshu University: 2 patents #31 of 261Top 15%
KM Konica Minolta: 2 patents #1,382 of 2,718Top 55%
TA Tanita: 2 patents #83 of 216Top 40%
TC Tc1: 2 patents #89 of 216Top 45%
JE Jeol: 2 patents #192 of 669Top 30%
Canon: 2 patents #12,681 of 19,416Top 70%
EB Ebara: 2 patents #752 of 1,611Top 50%
Nintendo Co.: 2 patents #671 of 1,476Top 50%
NT NTT: 2 patents #2,095 of 4,871Top 45%
IL Isuzu Motors Limited: 1 patents #414 of 908Top 50%
SC Showa Denko Packaging Co.: 1 patents #19 of 39Top 50%
DT Daido Tokushuko: 1 patents #152 of 382Top 40%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
NI Nomura Research Institute: 1 patents #31 of 109Top 30%
HL Hal Laboratory: 1 patents #22 of 56Top 40%
EC Electric Industry Co.: 1 patents #1 of 15Top 7%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
CR Creatures: 1 patents #9 of 21Top 45%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
WI Wako Pure Chemical Industries: 1 patents #164 of 377Top 45%
KC Konishiroku Photo Industry Co.: 1 patents #532 of 894Top 60%
NE Newfrey: 1 patents #263 of 476Top 60%
TT The University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
Overall (All Time): #845 of 4,157,543Top 1%
357
Patents All Time

Issued Patents All Time

Showing 326–350 of 357 patents

Patent #TitleCo-InventorsDate
5680092 Chip resistor and method for producing the same Akio Fukuoka, Seiji Tsuda 1997-10-21
5661380 Method and apparatus for operating an electric vehicle drive system during periods of sensor malfunction Sanshiro Obara, Shigeyuki Yoshihara, Nobunori Matsudaira 1997-08-26
5659235 Drive controller and control method for electric vehicle Nobunori Matsudaira, Sanshiro Obara 1997-08-19
5637755 Sulfonate compound process for producing the same, and bleach composition comprising the same Hiroshi Nagumo, Norio Nishikawa, Toyomi Koike, Yukinaga Yokota 1997-06-10
5631985 Optical connector wherein an arrangement plane of positioning pin holes and optical fibers is inclined with respect to an abutting direction Kenji Suzuki, Koichi Takagi, Takashi Shigematsu, Mikio Ishihara, Jun Yamakawa +1 more 1997-05-20
5610483 Control equipment for electric vehicle and control method thereof Sanshiro Obara, Nobunori Matsudaira, Ryoso Masaki 1997-03-11
5600215 Controller for electric vehicle Shotaro Naito, Sanshiro Obara 1997-02-04
5559609 Facsimile transceiver Minoru Ichimura, Takashi Naito 1996-09-24
5495908 Electric car control system Sanshiro Obara, Shigeyuki Yoshihara, Nobunori Matsudaira 1996-03-05
5481460 Controller for electric vehicle Ryoso Masaki, Shigeki Morinaga, Kazuo Tahara, Hirohisa Yamamura, Kenzo Kajiwara +2 more 1996-01-02
5408384 Electronic card and connector device therefor Yoshimasa Gannyo, Motoyoshi Kitagawa 1995-04-18
5345155 Control system for electric vehicle Ryoso Masaki, Yuusuke Takamoto, Sanshiro Obara, Hirohisa Yamamura 1994-09-06
5325828 Air intake arrangement for internal combustion engine Jun'ichi Yamaguchi, Minoru Ohsuga, Toshiharu Nogi, Mamoru Fujieda, Nobuo Kurihara +2 more 1994-07-05
5295002 Image communication device Yuji Ishii, Toshihiro Kumano, Shiro Takamizawa, Masanori Sato 1994-03-15
5267515 Vehicle body construction having longitudinally elongated extruded panels and continuous welds joining the panels Hitoshi Tsuruda, Morishige Hattori, Masato Okazaki, Kiyotaka Kikumoto, Takeyuki Watanabe +2 more 1993-12-07
5259050 Multicore optical connector with partitions to separate the optical fibers into groups Jun Yamakawa, Toshihiko Oota, Masami Saito, Michito Matsumoto, Tadashi Haibara 1993-11-02
5257199 Apparatus for identifying tools and for managing tool data Koichi Tsujino 1993-10-26
5222168 Method for stacking ferrules of a stacked-type optical connector and a stacked-type optical connector Masami Saito, Shinichiro Ohta, Etsuo Tanabe, Toshihiko Ohta 1993-06-22
5206745 Image reading device Toshihiro Kumano, Yuji Ishii, Shiro Takamizawa, Masanori Sato 1993-04-27
5113769 Car body for railway rolling stock and method for fabricating car body Sumio Okuno, Michifumi Takeichi, Keiji Ohmura, Msato Okazaki, Hitoshi Tsuruda +2 more 1992-05-19
5106683 Magnetic recording medium Norifumi Kajimoto 1992-04-21
5098007 Method of manufacturing a vehicle body Hitoshi Tsuruda, Morishige Hattori, Masato Okazaki, Kiyotaka Kikumoto, Takeyuki Watanabe +2 more 1992-03-24
5065126 Linear actuator Hidemi Suzuki, Mikio Nakagawa 1991-11-12
5037695 Magnetic recording medium Norifumi Kajimoto, Ikuko Yanagiuchi 1991-08-06
4978770 Quaternary ammonium salts of dicyano substituted teriary alkylene diamines as bleach activators Muneo Aoyagi, Kazuhiro Takanashi, Masaaki Yamamura, Moriyasu Murata, Hiroyuki Araki +1 more 1990-12-18