Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772340 | Method of making iron-base articles having a remelted layer | Masatoshi Kawaguchi, Hiroshi Yoshinaga, Fusao Nakajima, Toshihiko Matsubara, Hisao Hirono +6 more | 1988-09-20 |
| 4761192 | Method of and apparatus for remelting and hardening a shaft | Akitaka Inao, Kenji Fujii | 1988-08-02 |
| 4627990 | Method of and apparatus for supplying powdery material | Tsuyoshi Makita, Hisao Hirono, Akitaka Inao | 1986-12-09 |