Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10542510 | Communication apparatus, control method, and computer-readable storage medium | — | 2020-01-21 |
| 9014641 | Communication apparatus, method of processing thereby, and non-transitory computer-readable storage medium | — | 2015-04-21 |
| 7280665 | Image display device with built-in loudspeakers | Kohji Ohtsuka | 2007-10-09 |
| 7184566 | Bass reflex type speaker device, mounting structure and mounting method for speaker device | Tadashi Murayama, Kazuhiro Katayama, Shuhki Ohtani | 2007-02-27 |
| 5454028 | Cordless key telephone system having zone switching function | Toshihiro Hara, Shinji Kumataka, Kosuke Hashimoto | 1995-09-26 |
| 5365572 | Cordless key telephone system with multiple tenant facility | Noboru Saegusa, Yukihiro Shimura, Shinji Kumataka, Hirokazu Adachi, Kosuke Hashimoto | 1994-11-15 |
| 5305371 | Cordless key telephone system for repeating attempts to alert stations located in interference-affected zones | Noboru Saegusa, Naoyasu Nishimura | 1994-04-19 |
| 5230054 | Priority order judging device | — | 1993-07-20 |