Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7372124 | Light-receiving element and photodetector using the same | Kenichi Nakama | 2008-05-13 |
| 7062178 | Photodetector array and optical branching filter using the array | Kenichi Nakama, Nobuyuki Komaba, Yasunori Arima, Yukihisa Kusuda | 2006-06-13 |
| 6919583 | End surface light-emitting element having increased external light emission efficiency and self-scanning light-emitting element array using the same | Yukihisa Kusuda, Seiji Ohno, Nobuyuki Komaba | 2005-07-19 |
| 6828541 | Light receiving element array having isolated pin photodiodes | Nobuyuki Komaba, Yasunori Arima, Yukihisa Kusuda | 2004-12-07 |
| 6717182 | Edge-emitting light-emitting device having improved external luminous efficiency and self-scanning light-emitting device array comprising the same | Yukihisa Kusuda, Seiji Ohno, Nobuyuki Komaba | 2004-04-06 |
| 6710330 | Light-receiving element array device and optical demultiplexer using the same | Kenichi Nakama | 2004-03-23 |
| 6690002 | Photodetector array and optical communication monitor module using the same | Yasunao Kuroda, Kenichi Nakama | 2004-02-10 |
| 6432328 | Method for forming planar microlens and planar microlens obtained thereby | Kenjiro Hamanaka, Kiyotaka Sasaki | 2002-08-13 |
| 4986841 | Method of preparing an alkali metal diffusion preventive layer | Keiji Oyoshi, Shuhei Tanaka | 1991-01-22 |