Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10732692 | Electronic device, power control method, and program | Noritaka Otsuka | 2020-08-04 |
| 10101785 | Electronic device, power control method, and program | Noritaka Otsuka | 2018-10-16 |
| 6628318 | Method for driving an optical write device | Kenichi Wada, Tsukasa Yagi | 2003-09-30 |
| 6561703 | Light shutter device | Tomohiko Masuda, Tsukasa Yagi, Yuji Kamoda | 2003-05-13 |
| 6441941 | Light shutter device | Isao Doi, Tomohiko Masuda, Tsukasa Yagi, Ken Matsubara, Yuji Kamoda | 2002-08-27 |
| 6278474 | Image forming apparatus provided with a plurality of light signal emitting heads | Kenichi Wada, Ken Matsubara | 2001-08-21 |
| 6201559 | Method for measuring the quantity of light emergent from an optical tip array and image forming apparatus provided with an optical tip array | Kenichi Wada, Tsukasa Yagi, Tomohiko Masuda, Ken Matsubara, Yuji Kamoda | 2001-03-13 |
| 6124965 | Optical element and light shutter device using the same | Isao Doi, Kenichi Wada | 2000-09-26 |
| 5448866 | Trusses and precast concrete slabs reinforced thereby | Makoto Saito, Toshiyuki Yoshimatsu, Kansuke Homma, Riyouichi Nakajima | 1995-09-12 |
| 5325228 | Optical shutter device | Ken Matsubara, Kouichi Shingaki, Tsukasa Yagi, Hirohisa Kitano, Kenichi Wada +1 more | 1994-06-28 |
| 5247387 | Method and device for driving electro-optical light shutter | Ken Matsubara, Hirohisa Kitano, Tomohiko Masuda, Kenichi Wada | 1993-09-21 |
| 5166510 | Light printer with photoelectric light quantity control means | Ken Matsubara, Tsukasa Yagi, Tomohiko Masuda, Koji Wakamiya, Kenichi Wada +1 more | 1992-11-24 |
| 5124831 | Method and device for driving electrooptical light shutter | Kouichi Shingaki, Ken Matsubara, Hirohisa Kitano, Tomohiko Masuda | 1992-06-23 |
| 5093676 | Method of driving electro-optical light shutter for use in recording apparatus | Ken Matsubara, Hirohisa Kitano, Kouichi Shingaki, Tomohiko Masuda, Kenichi Wada +3 more | 1992-03-03 |
| 5024511 | Display apparatus | Ken Matsubara, Hirohisa Kitano, Kouichi Shingaki, Tomohiko Masuda | 1991-06-18 |
| 5011271 | Light shutter arrays for forming images | Ken Matsubara, Kouichi Shingaki, Tomohiko Masuda, Hirohisa Kitano | 1991-04-30 |
| 4967240 | Recording apparatus | Hiroshisa Kitano, Ken Matsubara, Kouichi Shingaki, Tomohiko Masuda, Yuji Enoguchi | 1990-10-30 |
| 4932761 | Method and device for driving electrooptical light shutter | Kouichi Shingaki, Ken Matsubara, Hirohisa Kitano, Tomohiko Masuda | 1990-06-12 |
| 4902111 | Method and device for driving electro-optical light shutter array | Ken Matsubara, Hirohisa Kitano, Kouichi Shingaki, Tomohiko Masuda | 1990-02-20 |
| 4899183 | Image forming apparatus | Hirohisa Kitano, Ken Matsubara, Kouichi Shingaki, Tomohiko Masuda | 1990-02-06 |
| 4887104 | Electrooptical light shutter device and printer apparatus using same | Hirohisa Kitano, Kouichi Shingaki, Ken Matsubara, Tomohiko Masuda | 1989-12-12 |
| 4854678 | Electro-optical light shutter device | Hirohisa Kitano, Kouichi Shingaki, Ken Matsubara, Tomohiko Masuda | 1989-08-08 |
| 4366220 | Electrostatic image recording process using prehisteresis uniform charging and light exposure pretreatment | — | 1982-12-28 |