Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6507598 | Induction heating furnace and bottom tapping mechanism thereof | Atsushi Okuno, Yasuhiro Nakai | 2003-01-14 |
| 6507599 | Induction heating furnace and bottom tapping mechanism thereof | Atsushi Okuno, Yasuhiro Nakai | 2003-01-14 |
| 6487234 | Induction heating furnace and bottom tapping mechanism thereof | Atsushi Okuno, Yasuhiro Nakai | 2002-11-26 |
| 6385231 | Induction heating furnace and bottom tapping mechanism thereof | Atsushi Okuno, Yasuhiro Nakai | 2002-05-07 |
| 6307875 | Induction heating furnace and bottom tapping mechanism thereof | Atsushi Okuno, Yasuhiro Nakai | 2001-10-23 |
| 6049559 | Method of refining metal to high degree of purity and high-frequency vacuum induction melting apparatus | Kenji Abiko, Hitoshi Kawano, Yasuhiro Nakai, Tadahito Nakajima, Masanobu Harada +1 more | 2000-04-11 |
| 5892790 | Cold crucible induction furnace | Kenji Abiko, Hitoshi Kawano, Tadahito Nakajima | 1999-04-06 |
| 5696663 | Capacitor having a band of zinc and an aluminum film formed on a plastic film | Kiyoshi Unami, Hidekazu Wada, Nobuji Suzuki | 1997-12-09 |
| 5389769 | ID recognizing system in semiconductor manufacturing system | Teppei Yamashita, Masanao Murata, Tsuyoshi Tanaka, Teruya Morita, Hitoshi Kawano +2 more | 1995-02-14 |
| 5363867 | Article storage house in a clean room | Hitoshi Kawano, Atsushi Okuno, Mitsuhiro Hayashi, Teppei Yamashita, Masanao Murata +3 more | 1994-11-15 |
| 5320218 | Closed container to be used in a clean room | Teppei Yamashita, Masanao Murata, Tsuyoshi Tanaka, Teruya Morita, Hitoshi Kawano +2 more | 1994-06-14 |
| 5303482 | Wafer airtight keeping unit and keeping facility thereof | Teppei Yamashita, Masanao Murata, Tsuyoshi Tanaka, Teruya Morita, Hitoshi Kawano +3 more | 1994-04-19 |
| 5283805 | Segmented cold-wall induction melting crucible | Hitoshi Kawano, Yasuhiro Nakai | 1994-02-01 |
| D292130 | Fluorescent lamp | Kazuhiko Kubo, Taisuke Hirota, Katsuyuki Hosoya, Ichirou Torii, Atsushi Suzuki | 1987-09-29 |
| 4315280 | Method for reproducing color separation pictures on a recording material from original pictures | — | 1982-02-09 |