Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039847 | Method of forming a highly pure thin film and apparatus therefor | Akiyoshi Chayahara, Yuji Horino, Atsushi Kinomura, Nobuteru Tsubouchi | 2000-03-21 |
| 5763340 | Method for production of SiO.sub.2 glass material having regions changed in light refractive index and SiO.sub.2 glass material produced by the method | Junji Nishii, Kohei Fukumi, Akiyoshi Chayahara, Hiroshi Yamanaka | 1998-06-09 |
| 5637880 | Method for extracting ion current from space of high vacuum into space of low vacuum | Yuji Horino, Akiyoshi Chayahara, Atsushi Kinomura, Yoshiaki Mokuno | 1997-06-10 |
| 4924357 | Light source unit for a business machine | Hiroshi Yamashita, Takumi Fukunishi, Masafumi Shigeoka, Hiroshi Sudo | 1990-05-08 |
| 4733332 | Illuminating device | Hiroshi Yamashita, Junji Hayakawa, Toru Komiyama, Shun Koizumi | 1988-03-22 |
| 4673243 | Branch structures for rod-type optical transmission lines | Hiroshi Yamashita, Junji Hayakawa, Toru Komiyama, Sinji Tamaru | 1987-06-16 |