Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5938527 | Air ventilation or air supply system | Takeharu Oshima, Satoru Kotoh, Akira Doi, Isao Tachibana, Shigeki Kobayashi | 1999-08-17 |
YI
Yachiyo Imamura
Overall (All Time): #3,657,251 of 4,157,543Top 90%
1
Patents All Time