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%
NT National Institute Of Advanced Industrial Science And Technology: 3 patents #447 of 3,134Top 15%
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 351–357 of 357 patents

Patent #TitleCo-InventorsDate
4960664 Developer composition for developing electrostatic image and toner image forming process Hiroyuki Takagiwa, Hiroya Masaki, Takahira Kasuya, Jiro Takahashi, Masafumi Uchida +1 more 1990-10-02
4918616 Tool monitoring system Kiyokazu Yoshimura, Norio Miyawaki, Hideaki Nakamura, Koichi Tshujino, Takaharu Takinami +6 more 1990-04-17
4915863 Bleaching composition Muneo Aoyagi, Kazuhiro Takanashi, Masaaki Yamamura, Moriyasu Murata, Hiroyuki Araki +1 more 1990-04-10
4897754 Switching apparatus Keisuke Konishi, Norio Iwakiri, Masanori Ishii 1990-01-30
4610296 Melting cast installation Susumu Hiratake, Yoichi Nakanishi, Sinobu Inuzuka, Kato Takeo, Yasuo Watanabe 1986-09-09
4609589 Release sheet Yukio Hosoda, Hiro Ohtsubo 1986-09-02
4253128 Dual spring loaded operating mechanism for a tape recorder Shoichi Saito 1981-02-24