Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5034436 | Semiconductor sealing epoxy resin composition | Ichiro Takahashi, Hiromi Ito, Kazuo Okahashi, Kou Shimomura | 1991-07-23 |
| 4798769 | Electrode supporting conduit tube for electrical heating of underground hydrocarbon resources | Osamu Hayashi, Sadamu Matsuda, Ichiro Takahashi, Kazuo Okahashi | 1989-01-17 |
| 4794049 | Electrode supporting conduit tube for electrical heating or underground hydrocarbon resources | Ichiro Takahashi, Kazuo Okahashi | 1988-12-27 |
| 4577664 | Conduit tube of an electrode device for electrically heating underground hydrocarbon resources | Ichiro Takahashi, Kazuo Okahashi | 1986-03-25 |