Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4246178 | Tetrahydropyran-5-one compounds | Akira Yamamoto, Kenichi Taguchi, Toshinobu Ishihara | 1981-01-20 |
AH
Akira Hayashida
Shin-Etsu Chemical Co.: 39 patents #87 of 2,176Top 4%
Hitachi Kokusai Electric: 10 patents #85 of 843Top 15%
Teitokusha Co.: 4 patents #2 of 9Top 25%
The Foundation: The Research Institute For Special Inorganic Materials: 1 patents #7 of 17Top 45%
Overall (All Time): #52,768 of 4,157,543Top 2%
51
Patents All Time