YY

Yasuo Yamamoto

FI Fujifilm Business Innovation: 58 patents #28 of 5,238Top 1%
RK Riso Kagaku: 15 patents #17 of 551Top 4%
NI Nifco: 10 patents #36 of 650Top 6%
MP Mitsubishi Tanabe Pharma: 6 patents #21 of 503Top 5%
MK Meiji Seika Kaisha: 5 patents #96 of 752Top 15%
EA E.I. Du Pont De Nemours And: 5 patents #1,460 of 8,010Top 20%
DA Daihen: 4 patents #62 of 305Top 25%
CC Cosmo Oil Co.: 3 patents #49 of 229Top 25%
EH E Ink Holdings: 3 patents #246 of 639Top 40%
MC Mitsubishi Gas Chemical Company: 3 patents #605 of 1,727Top 40%
AC Allied Consulting: 3 patents #198 of 1,310Top 20%
SI Sanshin Industries: 3 patents #120 of 319Top 40%
DE Denso: 2 patents #4,986 of 11,792Top 45%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
NC Nitto Electric Industrial Co.: 2 patents #63 of 298Top 25%
HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
PC Petroleum Energy Center: 2 patents #46 of 180Top 30%
NL Nippon Sheet Glass Company, Limited: 2 patents #332 of 836Top 40%
NC Nippon Oil Seal Industry Co.: 1 patents #4 of 17Top 25%
NC Nippon Paper Industries Co.: 1 patents #263 of 535Top 50%
ND Nitto Denko: 1 patents #1,580 of 2,479Top 65%
CI Cosmo Research Institute: 1 patents #48 of 93Top 55%
TI Tokai Rubber Industries: 1 patents #281 of 557Top 55%
TC Tokusen Kogyo Co.: 1 patents #27 of 68Top 40%
JC Japan Hydrazine Co.: 1 patents #17 of 35Top 50%
KC Kinugawa Rubber Ind. Co.: 1 patents #22 of 69Top 35%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
Kubota: 1 patents #1,212 of 2,059Top 60%
TC Toshiba Machine Co.: 1 patents #70 of 186Top 40%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
NI Nidec: 1 patents #568 of 976Top 60%
SU Subaru: 1 patents #677 of 1,436Top 50%
Overall (All Time): #6,658 of 4,157,543Top 1%
145
Patents All Time

Issued Patents All Time

Showing 126–145 of 145 patents

Patent #TitleCo-InventorsDate
4972573 Method of manufacturing wound transformer cores Katsumi Hanaoka, Masatake Hirai, Nobuyuki Sumida, Masatake Kokado 1990-11-27
4970776 Method of manufacturing a stationary induction electric apparatus Katsumi Hanaoka, Masatake Hirai 1990-11-20
4913842 Steam reforming of methanol Mikio Yoneoka, Tomiyoshi Furuta, Sadao Nozaki, Kazuo Takada, Kumiko Watabe +1 more 1990-04-03
4894735 Disk drive housing structure Mikio Takahashi, Yoshihiro Moribe, Hideo Maekawa, Takaaki Abo, Shigeo Nakamura +1 more 1990-01-16
4859364 Conductive paste composition Akira Inaba, Takashi Kitagaki 1989-08-22
4776819 Electrical control for trim/tilt of dual marine propulsion device Takashi Koike 1988-10-11
4736263 Method and apparatus for driving a disk Mikio Takahashi, Yoshihiro Moribe, Akira Chuma, Kazuo Nakagoshi, Nobukuni Ohkubo 1988-04-05
4723809 Glass window for motor vehicles Hiroshi Kida, Tadaaki Karino 1988-02-09
4708669 Warning device for a watercraft provided with a plurality of marine propulsion engines Isao Kanno 1987-11-24
4646803 Case for protecting a magnetic core Katsumi Hanaoka, Kazuhiro Arii, Kazuhiro Tanaka 1987-03-03
4645297 Fiber reinforced resin coated optical fiber and process for producing the same Mitsuo Yoshihara, Yoshitada Morikawa, Mitsuharu Komada, Masaaki Hattori 1987-02-24
4639707 Transformer with toroidal magnetic core Kazuhiro Tanaka, Katsumi Hanaoka, Masatake Hirai 1987-01-27
4631509 Electrical induction apparatus with support inside casing Kazuhiro Arii, Nobuyuki Sumida, Katsumi Hanaoka, Kazuhiro Tanaka 1986-12-23
4560713 Reinforced plastic molding Mitsuo Yoshihara, Yoshitada Morikawa, Mitsuharu Komada, Masaaki Hattori 1985-12-24
4492197 Over-revolution preventing apparatus for internal combustion engines Isao Kanno 1985-01-08
4444060 Fluid pressure sensing apparatus 1984-04-24
4436835 Process for preparation of catalysts Shigeru Horie, Takeo Ikarashi 1984-03-13
4305842 Preparation of improved catalyst composition Kazuo Asakawa, Shuji Ebata, Tadasi Nakamura 1981-12-15
4278261 Sealing device Takeshi Miura 1981-07-14
4181101 Two-cycle internal combustion engines with scavenger means 1980-01-01