Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985393 | Heat insulating box | Yutaka Igarashi, Kouji Hirata, Masanori Tsujihara, Fumiaki Baba, Akira Yamada +1 more | 1999-11-16 |
| 5707700 | Heat insulating box | Yutaka Igarashi, Kouji Hirata, Masanori Tsujihara, Fumiaki Baba, Akira Yamada +1 more | 1998-01-13 |
| 5183591 | Electroconductive resin composition | Hitoshi Akimura, Isao Nakabayashi, Masami Ishii, Tamio Ohi, Makoto Yoshida | 1993-02-02 |