Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7943946 | Light emitting device | — | 2011-05-17 |
| 7912229 | Array driving system and method of driving loads | Masao Noro | 2011-03-22 |
| 7862002 | Vacuum valve | Masahiro Naitoh, Michinori Ikuji, Makoto Iwata | 2011-01-04 |
| 7227964 | Audio signal processing apparatus and audio signal processing method | Ryoji Abe | 2007-06-05 |
| 7212441 | Non volatile semiconductor memory device | Takanori Yamazoe, Yoshiki Kawajiri | 2007-05-01 |
| 7013020 | Speaker cabinet | Shinichi Yamashita | 2006-03-14 |
| 6992969 | Optical pickup device with three adhesive parts on two parallel side faces of an optical component | — | 2006-01-31 |
| 6356526 | Optical device | — | 2002-03-12 |
| 5989750 | Lead-acid battery separator and method for producing thereof | Katsumi Ohba | 1999-11-23 |
| 5707501 | Filter manufacturing apparatus | Soichi Inoue, Tadahito Fujisawa, Takashi Sato, Shuichi Tamamushi, Keiji Horioka | 1998-01-13 |
| 5700605 | Mask for light exposure and process for production of the same | Takayuki Iwamatsu | 1997-12-23 |
| 5631109 | Exposure mask comprising transparent and translucent phase shift patterns | — | 1997-05-20 |
| 5627626 | Projectin exposure apparatus | Soichi Inoue, Tadahito Fujisawa, Takashi Sato, Shuichi Tamamushi, Keiji Horioka | 1997-05-06 |
| 5621498 | Projection exposure apparatus | Soichi Inoue, Tadahito Fujisawa, Takashi Sato, Shuichi Tamamushi, Keiji Horioka | 1997-04-15 |
| 5536604 | Exposure mask | — | 1996-07-16 |
| 5409789 | Exposure mask comprising translucent and transparent phase shifters | — | 1995-04-25 |
| 4995111 | Ring trip circuit for subscriber telephone | Toshiro Tojo, Kenji Takato, Kazumi Kinoshita, Yuzo Yamamoto, Yozo Iketani | 1991-02-19 |
| 4975835 | Variable length data processing apparatus for consecutively processing variable-length data responsive to one instruction | Norihiro Hidaka, Tetsuya Sato, Makoto Kimura | 1990-12-04 |