Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885755 | Method and apparatus for data communication | — | 1989-12-05 |
| 4849816 | Data communication apparatus for transmission with variable format | — | 1989-07-18 |
| 4839221 | Gasket containing (I) a sheet composition comprising (A) PTFE (B) inorganic powder (C) clay mineral and (II) a metal support for the sheet | Hiroshi Asaumi, Zenji Shimura, Kenji Tadakuma, Shinzaburo Suzuki, Norio Takada +2 more | 1989-06-13 |
| 4829524 | Data communication apparatus | — | 1989-05-09 |
| 4823375 | Data communication apparatus cupable of disabling an output component when output of a type provided by that component is unnecessary | — | 1989-04-18 |
| 4814894 | Image transmitting system having density selection | — | 1989-03-21 |
| 4815121 | Communication apparatus recognizing speech and automatically switching from data to speech transmission | — | 1989-03-21 |