Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281266 | Tap hole blocking material for metal melting apparatus | Kenzo Takeda, Kunihiko Shiraishi, Fumiyuki Inoue | 2001-08-28 |
| 5747400 | Method of drying lining refractory material for instrument/apparatus | Tadao Sasaki, Hideaki Ohashi, Akio Ueda, Hiroyuki Suzuki | 1998-05-05 |
| 4879795 | Valve inserting apparatus for an internal combustion engine | Katsumi Nakamura, Kazufumi Tamura, Akifumi Kobayashi | 1989-11-14 |
| 4879796 | Valve inserting apparatus for an internal combustion engine | Katsumi Nakamura, Shigeyuki Koide, Kazufumi Tamura, Akifumi Kobayashi | 1989-11-14 |
| 4580157 | Semiconductor device having a soft-error preventing structure | — | 1986-04-01 |
| 4535384 | Heat sink for a semiconductor device | Tetsushi Wakabayashi, Osamu Sakuma | 1985-08-13 |
| 4493145 | Integrated circuit device having easily cleaned region between mother board and chip carriers mounted thereon | — | 1985-01-15 |
| 4340902 | Semiconductor device | Takehisa Sugahara | 1982-07-20 |