Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6014418 | Fuel rod for light water reactor and method for manufacturing the same | Takeshi Isobe, Toshimichi Takahashi, Yoshitaka Suda, Akio Sando, Eiji Yoneda | 2000-01-11 |
| 5912935 | Fuel rod for light water reactor and method for manufacturing the same | Takeshi Isobe, Toshimichi Takahashi, Yoshitaka Suda, Akio Sando, Eiji Yoneda | 1999-06-15 |
| 5885376 | Corrosion-resistant high-strength copper based alloy having excellent blankability | Takeshi Suzuki, Manpei Kuwahara, Shin Kikuchi, Junichi Kumagai, Katsuyoshi Narita +1 more | 1999-03-23 |
| 5788924 | Wear resistant copper alloy and synchronizer ring made thereof | Masao Kobayashi | 1998-08-04 |
| 5705125 | Wire for electric railways | Motoo Goto, Shizuo Kawakita, Takuro Iwamura, Yutaka Koshiba, Kenji Yajima +5 more | 1998-01-06 |
| 5391243 | Method for producing wire for electric railways | Motoo Goto, Shizuo Kawakita, Takuro Iwamura, Yutaka Koshiba, Kenji Yajima +5 more | 1995-02-21 |
| 5169460 | Engine valve of titanium alloy | — | 1992-12-08 |
| 5119865 | Cu-alloy mold for use in centrifugal casting of Ti or Ti alloy and centrifugal-casting method using the mold | Tsutomu Oka | 1992-06-09 |
| 5112415 | Engine valve stem as well as head portion of titanium alloy | — | 1992-05-12 |
| 4889170 | High strength Ti alloy material having improved workability and process for producing the same | Tsutomu Oka, Atsushi Hirano | 1989-12-26 |
| 4808243 | High damping zinc alloy with good intergranular corrosion resistance and high strength at both room and elevated temperatures | Akihiko Sakonooka | 1989-02-28 |
| 4688625 | Method of vertical continuous casting | — | 1987-08-25 |
| 4681627 | Process for preparing an ingot from metal scrap | Tsutomu Oka | 1987-07-21 |