Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428280 | Method and device for preventing collision of aerial work platform with upward obstacle | Toshihiro Chihara | 2025-09-30 |
| 12257896 | Traveling operation device of crawler-type aerial work platform | Norihide IKARASHI, Masaki HIWATASHI | 2025-03-25 |
| 9695720 | Method of regenerating exhaust gas post-processing apparatus in engine-driven generator, and regeneration apparatus | Shinichiro Takahashi | 2017-07-04 |
| 8447159 | Stream recording apparatus | Hirofumi Mori, Tatsunori Saito | 2013-05-21 |
| 8166999 | Gas block device and gas block method | Kouichi Ueki, Shigetada Sazawa, Kazutaka Hamada, Mitsuo Namba, Fujio Hori +3 more | 2012-05-01 |
| 6714649 | Pay broadcasting system with enhanced security against illegal access to a down loaded program in a subscriber terminal | Yoshimasa Goto, Takenosuke Harada, Kazuhiro Machida, Mitsuteru Kataoka | 2004-03-30 |
| 6243469 | Information transmission method and apparatus | Mitsuteru Kataoka, Takenosuke Harada, Kazuhiro Machida | 2001-06-05 |
| 5738184 | Muffler for a two-stroke engine | Shigeru Sato, Yasuharu Sato, Kengo Kubo | 1998-04-14 |
| 5440083 | Exhaust muffler for internal combustion engine | — | 1995-08-08 |
| 5373119 | Exhaust muffler for internal combustion engine | Kiyoshi Suzuki, Noboru Nagai, Tadashi Ozaki | 1994-12-13 |
| 5303046 | Video signal processing apparatus with time base correction and inhibition of horizontal sync signal replacement during vertical flyback | — | 1994-04-12 |
| 5211153 | Two-cycle internal combustion gasoline engine cylinder | Minoru Yonekawa, Yoshiaki Nagao, Yasuharu Sato, Tomohiro Ohtani | 1993-05-18 |
| 5206467 | Muffler with a catalyst | Noboru Nagai, Akira Sageshima, Tadashi Ozaki | 1993-04-27 |
| 5151792 | Video signal reproducing apparatus with means for producing a crosstalk eliminated luminance output signal | Takao Yoshikawa | 1992-09-29 |
| 4970769 | Method for producing cylinder having scavenging passages for two-cycle internal combustion engine | Hiroshi Iesato, Kazuyuki Nishiwaki, Kazumasa Okano, Akira Sageshima, Minoru Yonekawa | 1990-11-20 |
| 4960194 | Centrifugal clutch | Akira Sageshima, Tadashi Ozaki, Hirozi Kawasaki | 1990-10-02 |
| 4958745 | Connector tank means for cap for mouth of tank | Toshio Taomo, Fujio Sasaki | 1990-09-25 |
| 4930467 | Internal combustion engine with automatic starter for portable working machine | Giichi Iida | 1990-06-05 |
| 4873946 | Two-cycle internal combustion engine | Takashi Fukuoka, Fujio Kobayashi | 1989-10-17 |
| 4871230 | Single mode phosphate laser glass fiber | Toshiharu Yamashita, Sho Amano, Hidemi Tajima, Tetsuro Izumitani | 1989-10-03 |
| 4838116 | Crank | Yasuo Saito, Tadashi Ozaki | 1989-06-13 |
| 4750033 | Comb filter, chrominance and luminance signal separating circuit for modifying the level-frequency characteristic of the luminance signal | Tokuya Fukuda, Takashi Honda | 1988-06-07 |
| 4731674 | Color video signal processing apparatus for crosstalk elimination | Tokuya Fukuda, Noriyuki Yamashita, Toshitaka Senuma | 1988-03-15 |
| 4726652 | Faraday rotation single-mode optical fiber | Hidemi Tajima, Toshiharu Yamashita | 1988-02-23 |
| 4667318 | Data producing device in a signal reproducing apparatus | Hiroyuki Sugiyama, Makoto Komura, Kazunori Nishikawa, Yoshiki Iwasaki | 1987-05-19 |