Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5733458 | Material interface changing method | Koichi Kitazawa, Noriyuki Hirota, Takuro Homma, Satoshi Maruyama, Shinichi Yamashita +1 more | 1998-03-31 |
HS
Hiroharu Sugawara
Overall (All Time): #3,679,848 of 4,157,543Top 90%
1
Patents All Time