Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880163 | Gas feeding nozzle for a chemical vapor deposition apparatus | Susumu Yaba, Tomoya Takigawa | 1989-11-14 |
| 4804246 | Light-transmitting fiber of glass core and clad of cured copolymer of fluoroolefin and alkyl ether | Seiji Munekata, Masao Unoki, Toshio Iwamoto | 1989-02-14 |