Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5527661 | Optical information recording medium | Nobuo Akahira, Eiji Ohno, Kenichi Nishiuchi, Yoshitaka Sakaue, Noboru Yamada | 1996-06-18 |
| 5505835 | Method for fabricating optical information storage medium | Yoshitaka Sakaue, Eiji Ohno, Kazuhisa Ide, Noboru Yamada | 1996-04-09 |
| 5424106 | Optical information recording medium and method of designing its structure | Noboru Yamada, Nobuo Akahira, Kenichi Nishiuchi, Eiji Ohno, Shigeaki Furukawa | 1995-06-13 |
| 5412626 | Method of recording optical information with selective correction in pulse waveform and a recording system therefor | Eiji Ohno, Kenichi Nishiuchi, Noboru Yamada, Nobuo Akahira | 1995-05-02 |
| 5395735 | Optical information recording medium and method of manufacture | Eiji Ohno, Noboru Yamada | 1995-03-07 |
| 5348783 | Optical information recording medium | Eiji Ohno, Noboru Yamada, Kenichi Nishiuchi, Nobuo Akahira | 1994-09-20 |
| 5346740 | Optical information recording medium | Eiji Ohno, Noboru Yamada, Kenichi Nishiuchi, Nobuo Akahira | 1994-09-13 |
| 5305303 | Optical information recording medium | Nobuo Akahira, Eiji Ohno, Kenichi Nishiuchi, Noboru Yamada | 1994-04-19 |
| 5154957 | Optical information recording medium | Noboru Yamada, Kenichi Nishiuchi, Eiji Ohno, Nobuo Akahira | 1992-10-13 |
| 4847132 | Protective layer for optical information recording medium | Masatoshi Takao, Kunio Kimura, Toshimitsu Kurumizawa | 1989-07-11 |
| 4839883 | Optical information recording medium | Noboru Yamada | 1989-06-13 |
| 4762526 | Process for deashing coal | Taiichi Funaji, Haruo Iso, Jisaku Tanimichi, Toshiaki Murata, Hideto Mitsui | 1988-08-09 |
| 4455148 | Method for de-ashing and transportation of coal | Shigeru Nagamori, Yuuichi Katoh, Katsumi Satoh, Takashi Yano | 1984-06-19 |
| 4420445 | Coal pellets production | Sueshi Yamamoto, Jisaku Tanimichi, Yoshiharu Takebe | 1983-12-13 |
| 4239426 | Method of transporting and storing mixed fuel and plant therefor | Yasuyuki Nakabayashi, Shozo Fukuda | 1980-12-16 |