Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6373189 | Mercury lamp of the short arc type having specific relationship with various dimensions of the bulb and UV emission device | Motohiro Sakai, Yoshinori Aiura | 2002-04-16 |
| 6255868 | Buffer circuit and hold circuit | — | 2001-07-03 |
| 6218709 | Semiconductor device and semiconductor circuit using the same | — | 2001-04-17 |
| 6208011 | Voltage-controlled power semiconductor device | — | 2001-03-27 |
| 6201381 | Reference voltage generating circuit with controllable linear temperature coefficient | — | 2001-03-13 |
| 6163111 | Mercury lamp of the short arc type | Masanori Sugihara | 2000-12-19 |
| 6075366 | Ion current detection apparatus for an internal combustion engine | — | 2000-06-13 |
| 6011397 | Ion current detection device for internal combustion engine | — | 2000-01-04 |
| 5977709 | Mercury lamp of the short arc type | Masanori Sugihara | 1999-11-02 |
| 5920152 | Mercury lamp of the short arc type and method for operation thereof | Masanori Sugihara, Shouichi Mayama | 1999-07-06 |
| 5907391 | Method and apparatus for accepting an order for photographic processing | Kazuyoshi Kobayashi, Tsunehisa Obana | 1999-05-25 |
| 5889406 | Inductance-change detection apparatus | Masahiro Yamamoto | 1999-03-30 |
| 5847934 | Hybrid integrated circuit | — | 1998-12-08 |
| 5821601 | Bipolar semiconductor integrated circuit with a protection circuit | Masahiro Yamamoto | 1998-10-13 |
| 5781012 | Ion current detecting apparatus for internal combustion engines | — | 1998-07-14 |
| 5739636 | Cadmium discharge lamp of the short arc type and method of producing UV light therewith | Akiyasu Yamaguchi, Hiromitsu Matsuno, Tatsushi Igarashi | 1998-04-14 |
| 5699398 | Counting apparatus | — | 1997-12-16 |
| 5675072 | Combustion condition detector for internal combustion engine | Wataru Fukui, Yasuhiro Takahashi | 1997-10-07 |
| 5652520 | Internal combustion engine misfire circuit using ion current sensing | Atsunobu Kawamoto | 1997-07-29 |
| 5589735 | Emission device with a cadmium lamp | Akiyasu Yamaguchi, Tsuneo Okanuma, Tatsushi Igarashi, Hiromitsu Matsuno, Tatsumi Hiramoto | 1996-12-31 |
| 5563332 | Apparatus for detecting misfire in internal combustion engine | — | 1996-10-08 |
| 5561239 | Misfire detecting circuit for internal combustion engine | — | 1996-10-01 |
| 5548220 | Apparatus for detecting misfire in internal combustion engine | Atsunobu Kawamoto | 1996-08-20 |
| 5548242 | Waveform shaping circuit | Yutaka Ohashi | 1996-08-20 |
| 5541481 | Cadmium ARC lamp with improved UV emission | Akiyasu Yamaguchi, Hiromitsu Matsuno, Tatsushi Igarashi | 1996-07-30 |