Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5489561 | Catalyst for exhaust gas purification | Hideharu Iwakuni, Akihide Takami, Takashi Takemoto, Yasuto Watanabe | 1996-02-06 |
| 4954176 | Pigment | Taketoshi Minohara, Yoshio Takagi, Keita Suzuki | 1990-09-04 |