Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5630558 | Wear protective means | Sachihito Nitta | 1997-05-20 |
| 5158240 | Pulverizer | Yoshitaka Ihara, Hidemasa Ishikawa, Iwao Ikebuchi, Hisashi Takei | 1992-10-27 |
SK
Shigetoshi Kawabata
Overall (All Time): #2,270,353 of 4,157,543Top 55%
2
Patents All Time