Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739066 | Intermediates for the preparation of condensed seven-membered ring compounds | Hirosada Sugihara, Kohei Nishikawa | 1988-04-19 |
| 4671376 | Automatic differential locking system for a working vehicle | Shigeaki Okuyama, Norimi Nakamura, Yoshizo Kuroiwa, Kouji Fujiwara, Kunisuke Nakamura +3 more | 1987-06-09 |
| 4638000 | Condensed seven-membered ring compounds, their production and use | Hirosada Sugihara, Kohei Nishikawa | 1987-01-20 |
| 4628454 | Automatic running work vehicle | — | 1986-12-09 |
| 4603753 | Automatic running work vehicle | Shingo Yoshimura, Shigeru Tanaka | 1986-08-05 |
| 4600999 | Automatic running work vehicle | Jituo Ysohida | 1986-07-15 |
| 4591458 | 3-amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepine derivatives | Hirosada Sugihara, Kohei Nishikawa | 1986-05-27 |
| 4573547 | Automatic running work vehicle | Shingo Yoshimura, Shigeru Tanaka | 1986-03-04 |
| 4564612 | Condensed, seven-membered ring compounds and their use | Hirosada Sugihara, Kohei Nishikawa | 1986-01-14 |
| 4548932 | 3-Amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepine derivatives | Hirosada Sugihara, Kohei Nishikawa | 1985-10-22 |
| 4545453 | Automatic running work vehicle | Shingo Yoshimura, Shigeru Tanaka | 1985-10-08 |
| 4537271 | Running vehicle | Osami Fuziwara | 1985-08-27 |
| D273120 | Stamp | — | 1984-03-20 |