Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11607949 | Shovel | — | 2023-03-21 |
| 8847643 | Semiconductor device and information processing apparatus | Koji Migita, Kazumasa Kubotera, Yasutaka Kanayama | 2014-09-30 |
| 8543845 | Method for suppressing a voltage fluctuation applying to a load by a second power section with the same or opposite voltage polarity | Minoru Hirahara, Seiji Miyoshi, Eiji Miyachika | 2013-09-24 |
| 8536911 | PLL circuit, method of controlling PLL circuit, and digital circuit | Koji Nakamuta | 2013-09-17 |
| 8488062 | Analog-digital converting apparatus and clock signal output apparatus | Koji Nakamuta | 2013-07-16 |
| 8436665 | Digital PLL circuit and clock generating method | Koji Nakamuta | 2013-05-07 |
| 8183940 | Temperature control device | Minoru Hirahara, Koji Nakamuta | 2012-05-22 |
| 8149033 | Phase control device, phase-control printed board, and control method | Yoshiharu Yoshizawa | 2012-04-03 |
| 8089308 | Phase controlling apparatus, phase-control printed board, and controlling method | Yoshiharu Yoshizawa | 2012-01-03 |
| 8040192 | Power supply voltage output circuit | Masazumi Maeda | 2011-10-18 |
| 7958378 | Power supply device having load detection function and communication apparatus provided with the power supply device | Seiji Miyoshi, Eiji Miyachika | 2011-06-07 |
| 7664217 | Digital PLL circuit | Koji Nakamuta | 2010-02-16 |
| 7417477 | PLL circuit | Koji Nakamuta | 2008-08-26 |
| 7368962 | Clock supply device | Koji Nakamuta | 2008-05-06 |
| 7355457 | Frequency synthesizer | Koji Nakamuta | 2008-04-08 |
| 6812800 | Atomic oscillator | Hideyuki Matsuura, Ken Atsumi, Minoru Sakai | 2004-11-02 |
| 6801091 | Oscillator controller and atomic oscillator | Ken Atsumi, Hideyuki Matsuura, Yoshifumi Nakajima | 2004-10-05 |
| 6570455 | Rubidium atom oscillator generating a stable frequency | Ken Atsumi, Hideyuki Matsuura, Yoshifumi Nakajima | 2003-05-27 |
| 6300841 | Atomic oscillator utilizing a high frequency converting circuit and an active, low-integral-number multiplier | Ken Atsumi, Hideyuki Matsuura, Yoshifumi Nakajima, Koji Nakamuta, Minoru Sakai | 2001-10-09 |
| 5751193 | Rubidium atomic oscillator with laser diode wavelength adjustment | Yoshifumi Nakajima | 1998-05-12 |
| 5712597 | Rubidium atom oscillator with temperature stabilized frequency output | Ken Atsumi, Yoshifumi Nakajima | 1998-01-27 |
| 4770404 | Method and device for loading and unloading a film on and out of a rotary drum in the exposure/recording apparatus | Tsutomu Ueyama, Koji Yao | 1988-09-13 |