RI

Ryoichi Ito

JD Japan Display: 17 patents #216 of 1,204Top 20%
SO Sony: 8 patents #5,352 of 25,231Top 25%
CO Comcast: 7 patents #572 of 4,447Top 15%
Kubota: 5 patents #404 of 2,059Top 20%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Ricoh Company: 4 patents #4,167 of 9,818Top 45%
ML Mitsubishi Petrochemical Company Limited: 2 patents #172 of 670Top 30%
DC Daisen Industry Co.: 1 patents #9 of 17Top 55%
MP Mitsui Pharmaceuticals: 1 patents #13 of 28Top 50%
JW Japan Display West: 1 patents #90 of 194Top 50%
SI Sanshin Industries: 1 patents #190 of 319Top 60%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
FL Furuno Electric Company Limited: 1 patents #215 of 407Top 55%
Overall (All Time): #45,914 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #TitleCo-InventorsDate
4329658 Semiconductor laser device Atsutoshi Doi, Kunio Aiki, Naoki Chinone, Satoshi Nakamura 1982-05-11
4315226 Semiconductor laser device Naoki Chinone, Kazutoshi Saito, Noriyuki Shige 1982-02-09
4298974 Optical head for a videodisc player/recorder Yoshito Tsunoda, Kimio Tatsuno, Toshimitsu Miyauchi, Kunio Aiki 1981-11-03
4270134 Light-emitting semiconductor device Yutaka Takeda, Kunio Aiki 1981-05-26
4206166 Process of producing polyolefin foam moldings Tatsuo Hayashi 1980-06-03