Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10608136 | Method of bonding semiconductor elements and junction structure | Hidenori Mizuno | 2020-03-31 |
| 8148229 | Method for manufacturing a semiconductor light-receiving device | Kazuhiro Shiba, Takeshi Nakata | 2012-04-03 |
| 7883911 | Method for fabricating photodiodes | Keishi Oohashi, Tsutomu Ishi, Toshio Baba, Junichi Fujikata | 2011-02-08 |
| 7728366 | Photodiode and method for fabricating same | Keishi Oohashi, Tsutomu Ishi, Toshio Baba, Junichi Fujikata | 2010-06-01 |
| 7560751 | Semiconductor photo-detecting element | Takeshi Nakata, Atsushi Shono | 2009-07-14 |
| 7488925 | Light control apparatus having a device for controlling the input signal light of an optical transmission path | Toshitaka Torikai | 2009-02-10 |
| 6165264 | Method for semiconductor crystal growth | Akiko Gomyo | 2000-12-26 |
| 5539221 | Staircase avalanche photodiode | Masayoshi Tsuji | 1996-07-23 |
| 5499259 | Semiconductor optical device with light controlling layer of super-lattice structure | — | 1996-03-12 |
| 5471068 | Semiconductor photodetector using avalanche multiplication and strained layers | Masayoshi Tsuji | 1995-11-28 |
| 5204539 | Avalanche photodiode with hetero-periodical structure | Masayoshi Tsuji | 1993-04-20 |
| 5187553 | Avalanche photodiode having a thin multilayer superlattice structure sandwiched between barrier and well layers to reduce energy loss | — | 1993-02-16 |