Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10654104 | Sintered bearing | Tsuneo Maruyama, Yoshinari Ishii, Nobukazu Fujii | 2020-05-19 |
| 5803938 | Liquid vaporizing apparatus | Tooru Yamaguchi, Kouichirou Tsutahara | 1998-09-08 |
| 5785902 | Liquid vaporizing apparatus | Tooru Yamaguchi, Kouichirou Tsutahara | 1998-07-28 |
| 5662838 | Liquid vaporizing apparatus | Tooru Yamaguchi, Kouichirou Tsutahara | 1997-09-02 |
| 5520858 | Liquid vaporizing apparatus | Tooru Yamaguchi, Kouichirou Tsutahara | 1996-05-28 |