Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8426243 | Amorphous oxide semiconductor and thin film transistor using the same | Ryo Hayashi, Hideya Kumomi, Yuzo Shigesato | 2013-04-23 |
| 8193045 | Manufacturing method of thin film transistor using oxide semiconductor | Ryo Hayashi | 2012-06-05 |
| 8143115 | Method for manufacturing thin film transistor using oxide semiconductor and display apparatus | Ryo Hayashi, Nobuyuki Kaji, Hisato Yabuta | 2012-03-27 |
| 8129718 | Amorphous oxide semiconductor and thin film transistor using the same | Ryo Hayashi, Hideya Kumomi, Yuzo Shigesato | 2012-03-06 |
| 6819703 | External cavity laser | Hideyuki Nasu | 2004-11-16 |
| 6282340 | Light wavelength tuning device and light source optical demultiplexer and wavelength division multiplexed optical communication system using the tuning device | Hideyuki Nasu, Kazuo Kogure, Tomoyuki Kato | 2001-08-28 |
| 5905588 | Optical transmitting device | Shin-ichi Takashima, Kazuya Omae | 1999-05-18 |
| 5767996 | Optical transmission system | Nozomu Matsuo, Yukihisa Shinoda | 1998-06-16 |
| 5541758 | Phototransmission method | Nozomu Matsuo, Takesi Kawaguchi, Yukihisa Sinoda | 1996-07-30 |