Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5935919 | Alkaline degreasing solution and degreasing method employing the same | Mitsuo Shinomiya, Minoru Ishida, Tamotsu Sobata | 1999-08-10 |
| 5925613 | Alkaline degreasing solution and degreasing method employing the same | Mitsuo Shinomiya, Minoru Ishida, Tamotsu Sobata | 1999-07-20 |
| 5415797 | Degreasing solution and degreasing method | Minoru Ishida | 1995-05-16 |
| 5399208 | Method for phosphating metal surface with zinc phosphate | Tamotsu Sobata, Akio Tokuyama, Seiichiro Shirahata | 1995-03-21 |
| 5211769 | Method for phosphating metal surface with zinc phosphate | Tamotsu Sobata, Akio Tokuyama, Seiichiro Shirahata | 1993-05-18 |