Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842818 | Method for manufacturing tapered rods | Tetsuo Kato, Makoto Saito | 1989-06-27 |
| 4434006 | Free cutting steel containing controlled inclusions and the method of making the same | Tetsuo Kato, Atsuyoshi Kimura, Shigenobu Sekiya, Sadayuki Nakamura | 1984-02-28 |
| 4326886 | Steel for cold forging having good machinability and the method of making the same | Makoto Saito, Atsuyoshi Kimura, Sadayuki Nakamura | 1982-04-27 |
| 4279646 | Free cutting steel containing sulfide inclusion particles with controlled aspect, size and distribution | Tetsuo Kato, Atsuyoshi Kimura, Sadayuki Nakamura | 1981-07-21 |
| 4270950 | Machinable ferrite stainless steels | Tatsuo Fujiwara, Kiyohito Ishida, Sadayuki Nakamura | 1981-06-02 |
| 4219356 | Machinable ferritic stainless steels | Tatsuo Fujiwara, Kiyohito Ishida, Sadayuki Nakamura | 1980-08-26 |