Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857275 | Thick-film gas-sensitive element | Keizo Furusaki, Mineji Nasu, Toshitaka Matsuura, Akio Takami | 1989-08-15 |
TO
Teppei Okawa
Overall (1989): #51,444 of 140,708Top 40%
1
Patents 1989