Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7429757 | Semiconductor light emitting device capable of increasing its brightness | Toshihiko Oyama, Nobuo Kobayashi, Toshio Ogata | 2008-09-30 |
| 4672939 | Intake manifold for internal combustion engine having exhaust gas recirculation system | Tatsuhisa Yokoi, Eisaku Takeya, Kyo Hattori, Kazuo Abe | 1987-06-16 |
| 4648373 | Intake manifold for internal combustion engine having exhaust gas recirculation system | Yoshikazu Noguchi, Tatsuhisa Yokoi, Eisaku Takeya | 1987-03-10 |