Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4960375 | Die for profile extrusion | Yoshio Saito | 1990-10-02 |
| 4930743 | Vibration proofing support structure for engine of vehicle | Takeshi Ishimaru, Takeshi Kishi | 1990-06-05 |
| 4608087 | Heat-resistant inorganic composition | Tadashi Zenbutsu, Hajime Asami | 1986-08-26 |
| 4471059 | Carbon-containing refractory | Hideaki Nishio, Issei Uchida | 1984-09-11 |
| 4435215 | Heat-resistant inorganic compositions | Tadashi Zenbutsu, Hajime Asami, Michiyuki Irie | 1984-03-06 |
| 4282288 | Graphite refractory article having dense structure with low porosity | Tadashi Zenbutsu, Hajime Asami, Miki Suma | 1981-08-04 |