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 176–181 of 181 patents

Patent #TitleCo-InventorsDate
4428885 Esterification reaction products Yuzo Higaki 1984-01-31
4405866 Wave-power generator assembly Yoshio Masuda, Takeaki Miyazaki, Akira Hiramoto 1983-09-20
4389346 Esterification reaction products and cosmetics containing same Yuzo Higaki, Akitoshi Ukai 1983-06-21
4385317 Specimen image display apparatus Toshihiro Furuya 1983-05-24
4259587 X-ray luminescent glasses Tatsuo Takahashi 1981-03-31
4228454 High temperature cadmium boracite semiconductor device Tatsuo Takahashi 1980-10-14