RI

Ryoichi Ishikawa

Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
DC Dainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
TT The University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
NC Nippon Seiki Co.: 1 patents #124 of 311Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #398,014 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12333743 Data processing apparatus, data processing method, and computer readable medium Takefumi Hasegawa, Yohei Okato, Takeshi Oishi 2025-06-17
10712557 Head-up display device Takanori Shigeno, Hiroyuki Furusawa, Mitsuaki Tsuboya 2020-07-14
7813229 Gain setting method for optical disk reproducing apparatus Norio Hatanaka, Ryoichi Nishio, Takayuki Ohta 2010-10-12
7646689 Disk discriminating method and disk discriminating apparatus Norio Hatanaka, Hirofumi Inoue 2010-01-12
7410523 Foaming agent for manufacturing a foamed or porous metal Takashi Nakamura, Katsuhiro Shibata 2008-08-12
7260030 Optical disk apparatus and pickup control unit/method 2007-08-21
7189276 Foamed/porous metal and method of manufacturing the same Takashi Nakamura, Katsuhiro Shibata 2007-03-13
7141206 Method of manufacturing closed section structure filled with foam and closed section structure manufactured by the same Katsuhiro Shibata, Kimihito Hayakawa 2006-11-28
7114765 Automobile hood Katsuhiro Shibata, Kiyotaka Toma, Masashi Ishii 2006-10-03
5913090 Image forming apparatus service system Masaithi Sawada 1999-06-15
4528346 Resin composition Toshinori Sugie, Fumihiro Kobata 1985-07-09
4452733 Equipment for volume-reducing treatment of radioactive waste Susumu Horiuchi, Mikio Hirano, Satoshi Hirayama, Hajime Iinuma 1984-06-05