OY

Osamu Yamada

Canon: 40 patents #1,092 of 19,416Top 6%
HI Hitachi: 24 patents #1,340 of 28,497Top 5%
Sumitomo Electric Industries: 14 patents #1,767 of 21,551Top 9%
MC Minebea Co.: 14 patents #37 of 736Top 6%
PA Panasonic: 13 patents #1,866 of 21,108Top 9%
UN Unknown: 10 patents #823 of 83,584Top 1%
NK Nippon Hoso Kyokai: 10 patents #15 of 703Top 3%
HH Hitachi High-Technologies: 5 patents #533 of 1,917Top 30%
NM Nisshin Oil Mills: 5 patents #5 of 101Top 5%
KC Kuraray Co.: 4 patents #386 of 1,827Top 25%
Brother Kogyo: 4 patents #1,445 of 2,767Top 55%
Ricoh Company: 3 patents #4,826 of 9,818Top 50%
MI Minolta: 3 patents #494 of 1,109Top 45%
MC Minolta Co.: 3 patents #574 of 1,416Top 45%
MA Mitsubishi Aircraft: 3 patents #36 of 184Top 20%
NC Nippon Conlux Co.: 3 patents #59 of 105Top 60%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
OJ Opnext Japan: 2 patents #72 of 185Top 40%
RC Rca: 2 patents #592 of 1,739Top 35%
KM Konica Minolta: 2 patents #764 of 1,361Top 60%
NI Nissan Chemical Industries: 2 patents #451 of 1,150Top 40%
SC Shin-Etsu Chemical Co.: 2 patents #1,026 of 2,176Top 50%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
AD Advantest: 2 patents #465 of 1,193Top 40%
YA Yazaki: 2 patents #2,077 of 3,427Top 65%
EC Eighttech Tectron Co.: 2 patents #1 of 6Top 20%
YL Yokota Technica Limited: 1 patents #2 of 2Top 100%
AC Agro-Kanesho Co.: 1 patents #30 of 63Top 50%
BU Buffalo: 1 patents #42 of 80Top 55%
CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
DC Dainippon Sumitomo Pharma Co.: 1 patents #107 of 256Top 45%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
MM Minebea Mitsumi: 1 patents #239 of 442Top 55%
OC Oki Electric Co.: 1 patents #3 of 39Top 8%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
SD Showa Denko: 1 patents #231 of 593Top 40%
VJ Victor Company Of Japan: 1 patents #818 of 1,489Top 55%
WU Wicue Usa: 1 patents #4 of 4Top 100%
RT R.P. Scherer Technologies: 1 patents #48 of 121Top 40%
Overall (All Time): #4,186 of 4,157,543Top 1%
181
Patents All Time

Issued Patents All Time

Showing 151–175 of 181 patents

Patent #TitleCo-InventorsDate
5003540 Error correction coding and decoding circuit for digitally coded information Koichi Yamazaki, Yasuyuki Kimura, Toru Kuroda 1991-03-26
4990697 Process for producing homoallyl alcohols Tsumoru Renge, Katumi Omura 1991-02-05
4987450 Electrophotographic printer comprising aligned plural light emitting devices Masayuki Mino 1991-01-22
4983807 Method and apparatus for plasma cutting a workpiece Hisaaki Yamane, Kunio Kohsaka 1991-01-08
4978516 Process for treating talc Kozo Shinohara 1990-12-18
4965035 Method of preforming a cover member of a can-shaped container Kiyokazu Ishiwatari, Yoshitsugu Hamada 1990-10-23
4965044 Method of sintering ceramics and metal dispersed reinforced ceramics obtained thereby Yoshinari Miyamoto, Mitsue Koizumi, Osamu Komura, Eiji Kamijo, Masaaki Honda +1 more 1990-10-23
4959736 Image signal processing method and apparatus with elongated picture elements Masayuki Mino 1990-09-25
4954443 Method of immobilizing biochemically active substance with xanthan gum Tadasu Fujita 1990-09-04
4908087 Method of forming a multilayer printed circuit board and apparatus therefor Hideyasu Murooka, Masayuki Kyooi, Noriaki Ujiie 1990-03-13
4906295 Dispersed reinforced ceramics Yoshinari Miyamoto, Mitsue Koizumi, Osamu Komura, Eiji Kamijo, Masaaki Honda +1 more 1990-03-06
4819231 Framing timing detection circuit for a character code broadcasting system 1989-04-04
4814682 Drive apparatus for specimen stage of microscope 1989-03-21
4810842 Frame assembly for mounting wiring devices to panel Masayuki Kanaya, Toshiyuki Masuda 1989-03-07
4780872 Remote supervisory and controlling system Toshiyuki Masuda, Akihiko Hamada, Masayuki Kanaya 1988-10-25
4774460 Stroboscopic type potential measurement device Hideo Todokoro 1988-09-27
4717663 Method of producing xanthan gum Ryouichi Minoshima 1988-01-05
4687299 Electrode structure of dot-matrix liquid-crystal cell having corresponding notches and slits 1987-08-18
4675868 Error correction system for difference set cyclic code in a teletext system Hirohisa Shishikura, Ichiro Sase, Akio Yanagimachi 1987-06-23
4672612 Error correction system in a teletext system Hirohisa Shishikura, Ichiro Sase, Akio Yanagimachi, Shigeharu Ueguri 1987-06-09
4630271 Error correction method and apparatus for data broadcasting system 1986-12-16
4593145 Process for producing isoprene Yoichi Ninagawa, Tsumoru Renge, Sunao Kyo, Takayoshi Osaki, Koichi Kushida 1986-06-03
4557792 Hot press Hideyasu Murooka, Kaoru Ono, Akimi Miyashita 1985-12-10
4511751 Process for producing isoprene Yoichi Ninagawa, Tsumoru Renge, Sunao Kyo, Takayoshi Osaki, Koichi Kushida 1985-04-16
4429558 Method of and apparatus for fabrication of spiral fin Hiroya Murakami, Mitsuhiro Takasaki, Atsuya Kamada, Katsuyoshi Hori 1984-02-07