Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372743 | Surfactant composition, degreasing composition and degreasing bath | Isao Kawasaki, Kaoru Komiya | 1994-12-13 |
| 5316914 | Method for determining human collagen peptides by way of enzyme immunoassay | Akira Oshima, Kazushi Iwata, Yasuteru Muragaki, Yasuo Bai, Eisaku Matsumoto | 1994-05-31 |
| 4961794 | Phosphate coatings for metal surfaces | Masamichi Nagatani | 1990-10-09 |
| 4838957 | Phosphate coatings for metal surfaces | Masamichi Nagatani | 1989-06-13 |
| 4639295 | Zinc phosphating method | Masamichi Nagatani | 1987-01-27 |