Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11768120 | Diaphragm vacuum gauge with decreased parasitic capacitance | Yasuhide Yoshikawa, Keisuke Obara, Kimihiro Sato | 2023-09-26 |
| 11740151 | Adjustable self-heating diaphragm vacuum gauge | Yasuhide Yoshikawa, Keisuke Obara, Kimihiro Sato | 2023-08-29 |
| 10663701 | Aspherical cemented lens | — | 2020-05-26 |
| 7492025 | Photo coupler | Tomohiro Yamazaki | 2009-02-17 |
| 7376312 | Optical module and method for manufacturing the same | Shuichi Nawae | 2008-05-20 |
| 6856635 | Surface light emitting type semiconductor laser having a vertical cavity | Hironobu Sai | 2005-02-15 |
| 6775310 | Semiconductor light emitting device and manufacturing method thereof | Hironobu Sai | 2004-08-10 |
| 6711198 | Light source device for laser beam printer | Hisayoshi Kitajima, Tetsuhiro Tanabe, Ken Nakahara, Haruo Tanaka | 2004-03-23 |
| 6353491 | Optical communication module | Haruo Tanaka | 2002-03-05 |
| 6247851 | Optical connector employing an optical fiber connector plug | — | 2001-06-19 |
| 6083841 | Method of etching gallium-nitride based compound semiconductor layer and method of manufacturing semiconductor light emitting device utilizing the same | Hirohisa Yano | 2000-07-04 |
| 5814532 | Method of manufacturing semiconductor laser | — | 1998-09-29 |