Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490534 | Process for producing 3-chloro-5-trifluoromethylpyridines | Kanichi Fujikawa, Yasuhiro Tsujii, Itaru Shigehara, Tatsuo Isogai, Hiroshi Yoshizawa | 1984-12-25 |
| 4380670 | Process for producing 1,3,5-triaminobenzene | Ryuzo Nishiyama, Kanichi Fujikawa, Isao Yokomichi, Itaru Shigehara | 1983-04-19 |
| 4368340 | Process for producing 1,3,5-trichlorobenzene | Ryuzo Nishiyama, Kanichi Fujikawa, Isao Yokomichi, Itaru Shigehara | 1983-01-11 |