Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845717 | IC card having two output buffers | — | 1989-07-04 |
| 4841131 | Portable electronic device with means for checking data validity during read-out | — | 1989-06-20 |
| 4839792 | Portable electronic apparatus with a device for determining data validity | — | 1989-06-13 |
| 4833595 | Portable electronic apparatus with data remaining counter | — | 1989-05-23 |
| 4827512 | Programmable portable electronic device | Katsuhisa Hirokawa | 1989-05-02 |
| 4800520 | Portable electronic device with garbage collection function | — | 1989-01-24 |
| 4419145 | Process for producing Nb.sub.3 Sn superconductor | Kyoji Tachikawa, Hisashi Sekine, Kikuo Itoh | 1983-12-06 |
| 4293739 | Circuit with crosstalk elimination capability | — | 1981-10-06 |
| 4239835 | Magnetic recording medium | Koichi Shinohara, Takashi Fujita, Masaru Odagiri, Toshiaki Kunieda | 1980-12-16 |