Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6846686 | Semiconductor light-emitting device and method of manufacturing the same | Ryo Saeki, Hideto Sugawara, Yukio Watanabe | 2005-01-25 |
| 6586773 | Semiconductor light-emitting device | Ryo Saeki, Hideto Sugawara, Yukio Watanabe | 2003-07-01 |
| 5933299 | Magnetic recording system providing a magnetic head having opposite sides for applying different magnetic field strengths to a magnetic recording medium | Tsutomu Tanaka, Kazuyoshi Yamamori | 1999-08-03 |
| 5659446 | Magnetic recording system providing a magnetic head having opposite sides for applying different magnetic field strengths to a magnetic recording medium | Tsutomu Tanaka, Kazuyoshi Yamamori | 1997-08-19 |
| 5396391 | Magnetic recording system providing a magnetic head having opposite sides for applying different magnetic field strengths to a magnetic recording medium | Tsutomu Tanaka, Kazuyoshi Yamamori | 1995-03-07 |
| 5255133 | Waveform processing system and method for recording digital information | Kazuyoshi Yamamori, Tsutomu Tanaka | 1993-10-19 |