HY

Hitoshi Yamamoto

SE Seiko Epson: 56 patents #152 of 7,774Top 2%
CO Comcast: 29 patents #119 of 4,447Top 3%
Ricoh Company: 28 patents #700 of 9,818Top 8%
Honda Motor Co.: 17 patents #852 of 21,052Top 5%
NE Nec: 15 patents #768 of 14,502Top 6%
SM Smc: 13 patents #84 of 737Top 15%
NC Nippon Shokubai Co.: 12 patents #75 of 1,108Top 7%
CH Chisso: 11 patents #75 of 833Top 10%
Mitsubishi Electric: 10 patents #2,886 of 25,717Top 15%
SC Sumitomo Special Metals Co.: 10 patents #15 of 262Top 6%
KC Kokusai Denshin Denwa Co.: 7 patents #52 of 382Top 15%
Apple: 7 patents #4,247 of 18,612Top 25%
Kawasaki: 7 patents #285 of 2,943Top 10%
CP Chisso Petrochemical: 6 patents #17 of 139Top 15%
FC Fuji Electric Co.: 5 patents #458 of 2,643Top 20%
IC Idemitsu Kosan Co.: 4 patents #327 of 1,237Top 30%
TC Toyoda Gosei Co.: 3 patents #706 of 2,296Top 35%
MC Mizusawa Industrial Chemicals: 2 patents #29 of 90Top 35%
HC Hodogaya Chemical Co.: 2 patents #141 of 359Top 40%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
AK Asahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
Brother Kogyo: 1 patents #2,155 of 2,767Top 80%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
JC Japan Powder Metallurgy Co.: 1 patents #4 of 20Top 20%
KA Kaijo: 1 patents #43 of 83Top 55%
ME Meidensha: 1 patents #255 of 555Top 50%
NS National Institute For Materials Science: 1 patents #361 of 901Top 45%
Nintendo Co.: 1 patents #886 of 1,476Top 65%
NC Nippon Zoki Pharmaceutical Co.: 1 patents #78 of 156Top 50%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Samsung: 1 patents #49,284 of 75,807Top 70%
SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Tokyo, CA: #22 of 583 inventorsTop 4%
Overall (All Time): #2,299 of 4,157,543Top 1%
236
Patents All Time

Issued Patents All Time

Showing 226–236 of 236 patents

Patent #TitleCo-InventorsDate
4373602 Power unit suspension system for motorcycles Takao Tomita, Shigenaga Enoki, Isamu Goto, Takeshi Hashimoto 1983-02-15
4372417 Drive unit mounting structure Masaki Watanabe, Nobuhiro Shido 1983-02-08
4345816 Optical fiber introducing equipment for optical submerged repeater Taiichiro Nakai, Masanori Sato, Kahei Furusawa, Yoshihiko Yamazaki, Yoshihiro Ejiri 1982-08-24
4343377 Crank mechanism lubricating system Shinichi Tamba, Ryoji Uda 1982-08-10
4320724 Inter-crankchamber sealing means for multiple cylinder two stroke engines Toshiyuki Takada, Shinichi Tamba 1982-03-23
4316520 Unilateral rear-drive type three-wheeled vehicle Masaki Watanabe, Shinichi Koizumi 1982-02-23
4298102 Shock absorber for vehicle use Masao Nishikawa 1981-11-03
4270029 Selection system for digital signal repeaters Masanori Sato, Hiroharu Wakabayashi, Yoshihiro Ejiri 1981-05-26
4203507 Shock absorber Takao Tomita, Nobuo Anno 1980-05-20
4191281 Damping-force control mechanism in a hydraulic shock absorber Masao Nishikawa 1980-03-04
4183509 Shock absorber for vehicle use Masao Nishikawa 1980-01-15