Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9591105 | Communication apparatus, communication system, communication method, and program for improved data transfer efficiency | Tsutomu Ito | 2017-03-07 |
| 7394243 | Proximity sensor | Hiroyuki Tsuchida, Yasushi Matsuoka, Chikashi Niimi, Kazuhiro Hayashi, Kazuaki Miyamoto +10 more | 2008-07-01 |
| 6906527 | Proximity sensor | Chikashi Niimi, Koro Kitajima, Keijiro Shoji, Takao Nakazaki, Kazuhiro Hayashi | 2005-06-14 |