Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7087980 | Film thickness measuring monitor wafer | Fusao Fujita, Makoto Saito | 2006-08-08 |
| 5268141 | Iron based alloy having low contents of aluminum silicon, magnesium, calcium, oxygen, sulphur, and nitrogen | Tohei Ototani, Toru Degawa, Kenichi Kusumoto | 1993-12-07 |
| 5087856 | Discharge electrode having a thin wire core and surface coating of amorphous alloy for a discharger | Michio Yoshizawa, Tsunebumi Matsunaga, Yasuo Oyama | 1992-02-11 |
| 4999053 | Method of producing an iron-, cobalt- and nickel-base alloy having low contents of sulphur, oxygen and nitrogen | Tohei Ototani, Toru Degawa, Kanicki Kusumoto | 1991-03-12 |
| 4974768 | Soldering iron tip | — | 1990-12-04 |
| 4820485 | Method of producing an iron-, cobalt- and nickel-base alloy having low contents of sulphur, oxygen and nitrogen | Tohei Ototani, Toru Degawa, Kenichi Kusumoto | 1989-04-11 |
| 4729787 | Method of producing an iron; cobalt and nickel base alloy having low contents of sulphur, oxygen and nitrogen | Tohei Ototani, Toru Degawa, Kenichi Kusumoto | 1988-03-08 |
| 4710481 | Method for melting Ti or a high-Ti alloy in CaO refractories | Toru Degawa, Gen Okuyama, Akio Hashimoto, Seiju Uchida, Kouzou Fujiwara +2 more | 1987-12-01 |