Issued Patents 2002
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479878 | Semiconductor device and semiconductor electret condenser microphone | Shigeaki Okawa, Toshiyuki Ohkoda, Mamoru Yasuda, Shinichi Saeki, Shuji Osawa | 2002-11-12 |
| 6475001 | Ultraminiature optical jack | Keiji Mine, Hiroshi Nakagawa | 2002-11-05 |
| 6472097 | Rechargeable battery using pressure-crush type protective device and portable electronic device using the rechargeable battery | Naoya Takehara, Keiji Mine, Seisaku Hirai | 2002-10-29 |
| 6420203 | Method of producing semiconductor electret condenser microphone | Shigeaki Okawa, Toshiyuki Ohkoda, Mamoru Yasuda, Shinichi Saeki, Shuji Osawa | 2002-07-16 |
| 6417560 | Semiconductor device | Shigeaki Okawa, Toshiyuki Ohkoda, Mamoru Yasuda, Shinichi Saeki, Shuji Osawa | 2002-07-09 |
| D458903 | Connector with a shutter for photoelectric conversion | Keiji Mine, Hiroshi Nakagawa | 2002-06-18 |
| 6393892 | Impact sensor and impact-pressure sensor | Keiji Mine, Seisaku Hirai | 2002-05-28 |
| D454840 | Connector with a shutter for photoelectric conversion | Keiji Mine, Hiroshi Nakagawa | 2002-03-26 |