Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8195416 | Fundamental wave beat component detecting method and measuring target signal sampling apparatus and waveform observation system using the same | — | 2012-06-05 |
| 7936162 | Measured-signal repetition frequency detection method, and sampling apparatus and waveform observation system using the method | — | 2011-05-03 |
| 6697160 | Light wavelength measuring apparatus and method for measuring wavelength of subject light with high speed by using two-beam interferometer | — | 2004-02-24 |
| 6236452 | Optical amplifier evaluation method and optical amplifier evaluation device | Hiroshi Goto, Youji Sonobe | 2001-05-22 |
| 6212003 | Optical amplifier evaluating method and optical amplifier evaluating apparatus | Hiroshi Komazawa | 2001-04-03 |
| 5548374 | Image forming apparatus using a process unit | Michihisa Iguchi | 1996-08-20 |
| 5483274 | Thermal head and thermal transfer apparatus | Nobuhiro Inoue, Akira Nakano, Katsunari Sasaki, Toshiro Nose, Masayoshi Aihara | 1996-01-09 |
| 5384591 | Electrophotographic recording device | — | 1995-01-24 |
| 5252996 | Electrophotographic recording apparatus and method capable of recording both characters and solid black picture images | — | 1993-10-12 |
| 5091932 | Circuit switching system | — | 1992-02-25 |
| 4988393 | Method for producing high-strength steel having improved weldability | Ryota Yamaba, Atsuo Tanaka, Keiichi Hattori | 1991-01-29 |
| 4968918 | Apparatus for plasma treatment | Yoshikazu Kondo, Toshihiro Yamamoto | 1990-11-06 |
| 4950336 | Method of producing non-oriented magnetic steel heavy plate having high magnetic flux density | Yukio Tomita, Ryota Yamaba, Katsuyoshi Yamanaka, Tatsuya Kumagai | 1990-08-21 |
| 4942406 | Laser printer with clock polygon control for inches and millimeters | — | 1990-07-17 |
| 4731862 | Binarizing system of picture image signals | Fumio Owada | 1988-03-15 |
| 4667249 | Binarizing system of picture image signals | Fumio Owada | 1987-05-19 |
| 4521744 | Tuning apparatus of phase-locked loop type | Takaaki Yamada, Akira Yamakoshi | 1985-06-04 |
| 4392253 | Phase locked loop circuit | Takaaki Yamada, Yoshio Osakabe | 1983-07-05 |