Issued Patents All Time
Showing 76–82 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6190435 | Method of vacuum decarburization/refining of molten steel | Kenichiro Miyamoto, Akio Shinkai, Takayuki Kaneyasu, Shinya Kitamura, Hiroyuki Ishimatsu +3 more | 2001-02-20 |
| 5552221 | Polybenzazole fibers having improved tensile strength retention | Ying H. So, Steven J. Martin, Chieh-Chun Chau, Ritchie A. Wessling, Ashish Sen +2 more | 1996-09-03 |
| 5365672 | Positioning apparatus for a semiconductor wafer | — | 1994-11-22 |
| 5054991 | Wafer positioning apparatus | — | 1991-10-08 |
| 4849383 | Basic refractory composition | Fumikazu Tanemura, Toru Honda, Yoshiharu Kajita, Keisuke Sakakibara | 1989-07-18 |
| 4651242 | Magnetic disk apparatus | Yoshiyuki Hirano, Yosuke Seo, Toyoji Okuwaki, Takashi Tamura | 1987-03-17 |
| 4266256 | Cleaner ribbon for magnetic tape | Tosaku Kojima | 1981-05-05 |