Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11030947 | Display device equipped with position detecting device for detecting positions of pixels subjected to luminance calibration | — | 2021-06-08 |
| 10859053 | Switch device | Toshiaki Imai, Shuichi Iwata | 2020-12-08 |
| 10598142 | Illuminated momentary push button switch | Toshiaki Imai, Shuichi Iwata | 2020-03-24 |
| 10590901 | Switch device | Toshiaki Imai, Shuichi Iwata | 2020-03-17 |
| 10384128 | Object placing game with character battles | Yoshiyuki Danbara | 2019-08-20 |
| 10331274 | Light source device, electronic blackboard system, and method of controlling light source device | — | 2019-06-25 |
| D777234 | Camera | William Webb, Chris Harsachy, Cyril Mathieu, Jean-Marc Alexia, Jerome Meniere | 2017-01-24 |
| 9123549 | Semiconductor device | — | 2015-09-01 |
| 8334563 | Field-effect semiconductor device and method of producing the same | — | 2012-12-18 |
| 7872315 | Electronic switching device | — | 2011-01-18 |
| 7863678 | Insulated-gate field-effect transistor | — | 2011-01-04 |
| 7267812 | Crystalline inorganic porous material and production process therefor | Satoshi Sato, Akiyuki Yachi | 2007-09-11 |
| 7161230 | Insulated gate bipolar transistor having a high switching speed and method for fabricating the same | Katsuyuki Torii | 2007-01-09 |
| 7114962 | Circuit unit device | — | 2006-10-03 |
| 7067900 | Insulated gate bipolar transistor having a reduced tail current and method of fabricating the same | Katsuyuki Torii | 2006-06-27 |
| 7045106 | Method for producing inorganic porous material | Satoshi Sato, Akiyuki Yachi | 2006-05-16 |
| 5945467 | Flame-retardant thermosetting resin composition, water-insoluble ammonium polyphosphate particles and method for producing the particles | Masuo Iwata, Mika Seki, Kouji Inoue, Tikashi Fukumura, Masaya Tanaka | 1999-08-31 |
| 5795930 | Water insoluble ammonium polyphosphate powder for flame-retardant thermoplastic polymer composition | Tikashi Fukumura, Masuo Iwata, Noriaki Narita, Kouji Inoue, Masaya Tanaka +1 more | 1998-08-18 |
| 5700575 | Water-insoluble ammonium polyphosphate particles | Masuo Iwata, Mika Seki, Kouji Inoue, Tikashi Fukumura, Masaya Tanaka | 1997-12-23 |
| 5599626 | Melamine-coated ammonium polyphosphate | Chikashi Fukumura, Masuo Iwata, Noriaki Narita, Kouji Inoue | 1997-02-04 |
| 5534291 | Process for producing a melamine-coated ammonium polyphosphate | Chikashi Fukumura, Masuo Iwata, Noriaki Narita, Kouji Inoue | 1996-07-09 |
| 5430080 | Flame-retardant thermoplastic resin composition | Masuo Iwata, Noriaki Narita, Kouji Inoue | 1995-07-04 |
| 5344855 | Flame-retardant and its composition | Noriaki Narita, Masuo Iwata, Kouji Inoue, Hideo Sato | 1994-09-06 |
| 5160582 | Cellulose-based, inflammable, bulky processed sheets and method for making such sheets | — | 1992-11-03 |
| 4677437 | Input signal switching matrix for an elevator | Ryuichi Kajiyama | 1987-06-30 |