Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348719 | Process for producing carbon fibers having high strand strength | Akihiko Yoshiya, Akira Nakagoshi | 1994-09-20 |
| 5215651 | Process for producing coke | Kenji Watanabe | 1993-06-01 |
| 5213677 | Spinning pitch for carbon fibers and process for its production | Ryuichi Hara, Toshiyuki Tajiri, Kazuo Shirosaki, Akihiko Yoshiya | 1993-05-25 |
| 5156303 | Adhesive container | Yasushi Ono | 1992-10-20 |
| 5130013 | Process for producing a liquefied coal oil and a catalyst for the process | Yoichi Kageyama, Takahisa Yamaura, Jun Imai | 1992-07-14 |
| 4652455 | Simulated lobster meat and process for preparing same | Yoshito Sugino | 1987-03-24 |