Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6207735 | Flame retardant and flame retardant resin composition containing it | Kenji Koyama, Fumio Okizaki, Yasumi Tanaka | 2001-03-27 |
| 5994435 | Flame retardant and flame retardant resin composition formulated with the same | Kenji Koyama, Nobuhiro Fujita, Takumi Kagawa, Fumio Okisaki, Keiji Itabashi | 1999-11-30 |
| 5401701 | Ito sintered body and method of manufacturing the same | Nobuhiro Ogawa, Chikara Uema, Kazuaki Yamamoto, Ryoji Yoshimura, Takashi Mouri | 1995-03-28 |