Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673477 | Method of fabricating probe unit | Shigeo Hattori, Toshiaki Yutori, Nobuhiro Hara, Masahiko Uchimura, Toshiaki Okumura +1 more | 1997-10-07 |
| 4326946 | Process for manufacture of solvent for coal liquefaction | Tsukasa Chikata, Yoshihiko Sunami, Keiichi Sasaki | 1982-04-27 |
| 4303498 | Process for manufacture of solvent for coal liquefaction | Tsukasa Chikata, Yoshihiko Sunami, Keiichi Sasaki | 1981-12-01 |
| 4272324 | Process for producing shaft furnace cokes | Yoshihiko Sunami | 1981-06-09 |