Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841076 | Benzopyran derivatives | Makoto Tanaka | 1989-06-20 |
MK
Masayuki Kitagawa
Nippon Kayaku: 14 patents #11 of 1,103Top 1%
Mitsumi Electric Co.: 7 patents #122 of 935Top 15%
Daiichi Seiyaku Co.: 1 patents #38 of 111Top 35%
Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #155,069 of 4,157,543Top 4%
26
Patents All Time