Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11323025 | Power converter | Takaaki TAKAHARA, Hiroto Mizutani, Hajime TOYODA, Hiroyasu Iwabuki | 2022-05-03 |
| 7174167 | Code-division-multiple-access mobile communication system accommodating increased number of mobile stations | Jun Oyama | 2007-02-06 |
| 6741859 | Code-division-multiple-access mobile communication system accomodating increased number of mobile stations | Jun Oyama | 2004-05-25 |