Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8649977 | GPS composite navigation apparatus | — | 2014-02-11 |
| 8149163 | GPS compound navigation device | — | 2012-04-03 |
| 8103170 | Method for optical time division multiplex and apparatus thereof | — | 2012-01-24 |
| 8014531 | Stereo/monaural switching circuit and integrated circuit having the same | — | 2011-09-06 |
| 7590460 | Audio signal processor | Naotoshi Nishioka, Yasuyuki Muraki | 2009-09-15 |
| 7589586 | High frequency signal detection circuit | — | 2009-09-15 |
| 7466817 | Tone generator device for driving light emitting elements | — | 2008-12-16 |
| 7356238 | Optical fiber measuring module having base member holding optical fiber cable | Kinzo Kishida, Kazuyoshi Itoh, Motohiro Nakano, Masayuki Matsumoto, Yong Wang +1 more | 2008-04-08 |
| 7193930 | Quantitative echo sounder and method of quantitative sounding of fish | Takanori Satoh, Osamu Kubota, Katsuhisa Yamamoto, Satoshi Misonoo, Youhei Kinoshita +1 more | 2007-03-20 |
| 7076342 | Attitude sensing apparatus for determining the attitude of a mobile unit | Masaru Fukuda | 2006-07-11 |
| 7026982 | Carrier-phase-based relative positioning device | Naomi Fujisawa, Masaru Fukuda | 2006-04-11 |
| 6792380 | Attitude angle detecting apparatus | — | 2004-09-14 |
| 6720914 | Carrier-phase-based relative positioning device | Naomi Fujisawa, Masaru Fukuda | 2004-04-13 |
| 6611228 | Carrier phase-based relative positioning apparatus | Sadao Sato, Masaru Fukuda, Kaoru Nakayama | 2003-08-26 |
| 6424915 | System for determining the heading and/or attitude of a body | Masaru Fukuda, Sadao Sato | 2002-07-23 |
| 5426261 | Musical tone control waveform signal generating apparatus utilizing waveform data parameters in time-division intervals | — | 1995-06-20 |
| 5416264 | Waveform-forming device having memory storing non-compressed/compressed waveform samples | Tetsuji Ichiki | 1995-05-16 |
| 5354948 | Tone signal generation device for generating complex tones by combining different tone sources | — | 1994-10-11 |
| 5153362 | Electronic musical instrument having pan control function | Fumihiko Ojima | 1992-10-06 |
| 5076133 | Musical tone signal generating apparatus | — | 1991-12-31 |
| 5023014 | Phosphor | Junji Miyahara, Kenji Takahashi | 1991-06-11 |
| 4957032 | Apparatus for realizing variable key scaling in electronic musical instrument | Katsuhiko Hirano, Masahiko Koike | 1990-09-18 |
| 4947724 | Electric music instrument with the capability of memorizing and producing different musical scales | Katsuhiko Hirano, Masahiko Koike | 1990-08-14 |