Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5432014 | Organic electroluminescent element and a method for producing the same | Takeshi Sano, Masayuki Fujita, Takanori Fujii, Yuji Hamada, Kenichi Shibata +1 more | 1995-07-11 |
| 4997244 | Optical wavelength converting device and manufacturing method thereof | Yuji Hamada, Takanori Fujii, Masakazu Sakata, Yoshikazu Tsujino, Kazuhiko Kuroki | 1991-03-05 |
| 4989958 | Focus adjusting apparatus provided with a focus lens member formed of polymer gel substance having electro-reactive deformability | Yuji Hamada, Takanori Fujii, Masakazu Sakata, Yoshikazu Tsujino, Kazuhiko Kuroki +1 more | 1991-02-05 |
| 4858568 | Intake apparatus for internal combustion engine | Hideki Obayashi, Tokio Kohama, Hiroyuki Goto | 1989-08-22 |
| 4796584 | Intake control system for internal combustion engine and intake control valve used therein | Hiroyuki Goto, Tokio Kohama, Hideki Obayashi, Kazuyuki Horie | 1989-01-10 |
| 4744902 | Annular wave filter device | Yoshihiro Taki, Toshiaki Fukuta, Hajime Akado, Susumu Miyakawa | 1988-05-17 |
| 4569813 | Method of manufacturing a filter device | Yoshihiro Taki, Toshiaki Fukuta, Hajime Akado, Susumu Miyakawa | 1986-02-11 |