Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9703417 | Input device set and composite input device set | — | 2017-07-11 |
| 7311579 | Block set for assembling a solid creation and apparatus for fabricating block for assembling solid creation | — | 2007-12-25 |
| 7077357 | Block set for assembling a solid creation and apparatus for fabricating block for assembling solid creation | — | 2006-07-18 |
| 6536995 | Method of hardening soil and hardened soil | Kiyokazu Sasaki, Shuji Yukitani | 2003-03-25 |
| 6027697 | Method and apparatus for treating combustion exhaust gases | Katsuyuki Kurihara, Mitsuyuoshi Kaneko, Keisuke Tsukamoto, Koiti Ohya, Hajime Kawaguchi +6 more | 2000-02-22 |
| 5690551 | Image display device, image display system, and program cartridge used therewith | Masafumi Sakashita, Satoshi Matsumura | 1997-11-25 |
| 5562825 | Filter element having a flat and non-flat configuration | Katsuhisa Yamada, Yoshihiko Ohya, Takanari Takagaki, Yoshimitsu Yamaguchi | 1996-10-08 |
| 5240540 | Method for producing filter element | Noriya Matsumoto, Yoshihiko Oya, Hajime Akado, Kazumi Nonoyama, Takanari Okumura | 1993-08-31 |
| 5049326 | Filter element and manufacture method thereof | Noriya Matsumoto, Hajime Akado, Yoshihiko Oya, Shuji Yamaguchi | 1991-09-17 |
| 5002666 | Filter element and manufacture method thereof | Noriya Matsumoto, Hajime Akado, Yoshihiko Oya, Shuji Yamaguchi | 1991-03-26 |
| 4746432 | Filter element with zig-zag pleats | Hajime Akado, Keizo Funae, Satoshi Inukai | 1988-05-24 |
| 4744902 | Annular wave filter device | Toshiaki Fukuta, Hajime Akado, Susumu Miyakawa, Yoshitaka Nishio | 1988-05-17 |
| 4738778 | Zig zag filter element | Susumu Miyakawa, Hajime Akado, Hitoshi Harada, Satoshi Inukai, Atsushi Sakaida | 1988-04-19 |
| 4640779 | Filter element | Hajime Akado, Keizo Funae, Satoshi Inukai | 1987-02-03 |
| 4569813 | Method of manufacturing a filter device | Toshiaki Fukuta, Hajime Akado, Susumu Miyakawa, Yoshitaka Nishio | 1986-02-11 |
| 4498989 | Fluid filter element and support | Susumu Miyakawa, Toshiaki Fukuta, Hajime Akado | 1985-02-12 |
| 4486206 | Cyclone type air cleaner | Susumu Miyakawa, Hajime Akado, Kenji Hikida, Toshiaki Nakayama | 1984-12-04 |
| 4439321 | Filter means | Hajime Akado, Toshiaki Fukuta, Susumu Miyakawa | 1984-03-27 |
| 4430223 | Filter element for filtering fluid and method of producing same | Susumu Miyakawa, Toshiaki Fukuta, Hajime Akado | 1984-02-07 |