Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759441 | Halogen scavengers | Yoshikazu Tokuoka | 1998-06-02 |
| 5534229 | Volatilization suppressing agent | Ryuji Nomura | 1996-07-09 |
| 5503768 | Halogen scavengers | Yoshikazu Tokuoka | 1996-04-02 |
| 4929404 | Graphitic or carbonaceous moldings and processes for producing the same | Kunimasa Takahashi, Takashi Kameda | 1990-05-29 |
| 4596652 | Process for producing mesophase pitch | Kunimasa Takahashi | 1986-06-24 |
| 4528087 | Process for producing mesophase pitch | Kunimasa Takahashi, Takashi Kameda | 1985-07-09 |
| 4300002 | Process for producing polycyclic diols | Yuji Ogomori, Takashi Kameda, Yoshio Yanagi | 1981-11-10 |