Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D890097 | Vent plug for lead acid battery | Hiroto Yamashita | 2020-07-14 |
| D889407 | Lead acid battery | Hiroto Yamashita | 2020-07-07 |
| 10151505 | Air-conditioning apparatus | Yasutaka Ochiai, Fumitake Unezaki, Makoto Saito, Kiyoshi Yoshimura | 2018-12-11 |
| 9719709 | Air-conditioning apparatus with thermo-off postponement control | Masanori Aoki | 2017-08-01 |
| 8983338 | Image forming apparatus | Toshihiko Numazu, Kazuhiro Kameyama, Yusuke Tokuda, Toshihiro Ogawa | 2015-03-17 |
| 7299100 | Digital signal processing apparatus and digital signal processing method | — | 2007-11-20 |
| 7295670 | Howling suppression device and howling suppression method | — | 2007-11-13 |
| 7227964 | Audio signal processing apparatus and audio signal processing method | Shin Ito | 2007-06-05 |
| 7130875 | Digital filter coefficient setting apparatus and digital filter coefficient setting method | — | 2006-10-31 |
| 6937734 | Mute apparatus and mute method | — | 2005-08-30 |
| 6914990 | Volume adjusting apparatus, method and computer program product | — | 2005-07-05 |
| 6404832 | Filter device and method of acquiring filter coefficients | — | 2002-06-11 |
| 6219392 | Filter device and method of acquiring filter coefficients | — | 2001-04-17 |
| 6214136 | Light-alloy casting heat treatment method | Kazuyuki Yoshimoto, Yukihiro Sugimoto, Fuminori Ishimura, Yukio Yamamoto, Nobuyuki Oda +4 more | 2001-04-10 |
| 5579397 | Amplifier device for a condenser microphone | Masaharu Ikeda | 1996-11-26 |
| 5040494 | Cooling apparatus for V-type internal combustion engine | Junichi Okita, Masakazu Tokuyama | 1991-08-20 |
| 5009205 | Crankshaft supporting structure for an internal combustion engine | Junichi Okita, Katsunobu Miyagoshi, Kouichi Hashiyama | 1991-04-23 |
| 4993370 | Valve driving mechanism for internal combustion engine | Kouichi Hashiyama, Junichi Okita, Kouichi Hatamura, Noriyuki Iwata | 1991-02-19 |
| 4932368 | Suction arrangement for internal combustion engine | Setsuo Harada, Kouji Asanomi, Kouichi Hatamura, Toshikazu Kurokawa, Tsuyoshi Goto +1 more | 1990-06-12 |
| 4729348 | Cylinder head structure for V-type engine | Masatoshi Okada, Koji Asanomi, Masahiro Choshi | 1988-03-08 |
| 4627394 | Cylinder block for internal combustion engine | Koji Asanomi | 1986-12-09 |
| 4603673 | Breather device in internal combustion engine | Shin Hiraoka, Koji Asanomi | 1986-08-05 |
| 4541399 | Breather arrangement for internal combustion engine | Toshimitsu Tanaka, Koji Asanomi | 1985-09-17 |
| RE31652 | Method of producing a semiconductor device | Osamu Hataishi, Yoshinobu Momma | 1984-08-28 |
| 4343080 | Method of producing a semiconductor device | Osamu Hataishi, Yoshinobu Momma | 1982-08-10 |