Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877835 | Thermoplastic resin composition | Yusuke Tsuda, Takashi Kurata, Yuji Yamamoto | 1989-10-31 |
| 4838150 | Clean room | Mitsufusa Manabe | 1989-06-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877835 | Thermoplastic resin composition | Yusuke Tsuda, Takashi Kurata, Yuji Yamamoto | 1989-10-31 |
| 4838150 | Clean room | Mitsufusa Manabe | 1989-06-13 |