Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7404856 | Nitrogen-doped silicon substantially free of oxidation induced stacking faults | Takaaki Aoshima, Mohsen Banan | 2008-07-29 |
| 7182809 | Nitrogen-doped silicon substantially free of oxidation induced stacking faults | Takaaki Aoshima, Mohsen Banan | 2007-02-27 |
| 6869477 | Controlled neck growth process for single crystal silicon | Makoto Kojima, Shigemi Saga | 2005-03-22 |
| 4842816 | High toughness steel | Akihiro Miyasaka, Takeshi Terasawa | 1989-06-27 |
| 4804021 | Highly tough ERW steel pipe with distinguished sour resistance | Yasushi Hasegawa | 1989-02-14 |
| 4802270 | Apparatus for passing optical fibers through tubular products | Kunio Kashiwaya, Nobuo Saeki, Youichi Yabuki, Kuniyuki Ozoe, Shinichi Fukushima +1 more | 1989-02-07 |
| 4793048 | Method for passing optical fibers through tubular products by vibrating the tubular products | Kunio Kashiwaya, Nobuo Saeki, Youichi Yabuki, Kuniyuki Ozoe, Shinichi Fukushima +1 more | 1988-12-27 |
| 4645893 | Method for manufacturing spiral-welded steel pipe | Yasumi Shimazaki, Yoshito Tsuyama, Manabu Hanzawa | 1987-02-24 |
| 4254323 | Apparatus for monitoring and controlling a welding phenomenon in an electric resistance welding | Toshio Takamatsu, Kazuo Aoki, Takeshi Sato | 1981-03-03 |