Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4655902 | Optically anisotropic carbonaceous pitch | Takayuki Izumi, Tsutomu Naito, Tomio Nomura | 1987-04-07 |
| 4601813 | Process for producing optically anisotropic carbonaceous pitch | Takayuki Izumi, Tsutomu Naito, Tomio Nomura | 1986-07-22 |
| 4551556 | Process for producing carbonyl compounds | Eiichiro Nishikawa, Kayako Ueda, Katsumi Kaneko | 1985-11-05 |
| 4299800 | Method of removing oxygen from a gas containing an unsaturated hydrocarbon | Eiichiro Nishikawa, Hiroshi Furukawa, Katsumi Kaneko | 1981-11-10 |