Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7758736 | Gas sensor | Tatsuya Okumura, Satoshi Ishikawa, Takehiro Oba | 2010-07-20 |
| 7371092 | Waterproof connector with a filter impermeable to liquid but permeable to air and a seal member impermeable to both liquid and air | Tatsuya Okumura, Tomohiro Nakamura | 2008-05-13 |
| 6557823 | Electromagnetic valve | Toshiyuki Sakai | 2003-05-06 |
| 5474108 | Electromagnetic valve unit | Masahiro Inden, Takeshi Marutani | 1995-12-12 |