| 6661994 |
Electrophotographic image forming system |
Yoshio Ohuchi, Kazuhiro Wakamatsu, Hisao Suka, Katsumi Kumada, Chikara Hiraoka +6 more |
2003-12-09 |
| 6549731 |
Image forming apparatus |
Tomofumi Yoshida, Masahiko Saito, Akira Sasaki, Koichi Sato, Satoshi Narita |
2003-04-15 |
| 6125250 |
Developing device, developing method, and an image forming apparatus |
Keiji Kamio, Shizuo Tsuruta, Masahiko Saito, Tadashi Okano, Nobuo Suzuki +2 more |
2000-09-26 |
| 5381584 |
Vacuum cleaner |
Fumio Jyoraku, Hisao Suka, Hisanori Toyoshima, Mitsuhisa Kawamata, Haruo Koharagi +6 more |
1995-01-17 |
| 5294872 |
Method and apparatus for operating vacuum cleaner |
Haruo Koharagi, Kazuo Tahara, Tsunehiro Endo, Kunio Miyashita, Fumio Jyoraku +5 more |
1994-03-15 |
| 5243732 |
Vacuum cleaner with fuzzy logic control |
Haruo Koharagi, Kazuo Tahara, Toshiyuki Ajima, Tsunehiro Endo, Hisao Suka +8 more |
1993-09-14 |
| RE34286 |
Method and apparatus for operating vacuum cleaner |
Hisanori Toyoshima, Fumio Jyoraku, Kazuo Tahara, Haruo Koharagi, Syuji Watanabe +4 more |
1993-06-22 |
| 5216778 |
Vacuum cleaner |
Naruhiko Suzuki, Akira Iwao, Masao Sunagawa, Yasuyuki Hiruta |
1993-06-08 |
| 5166585 |
Motor control apparatus for an electric vacuum cleaner |
Haruo Koharagi, Kazuo Tahara, Tsunehiro Endo, Kunio Miyashita, Fumio Jyoraku +5 more |
1992-11-24 |
| 5155885 |
Vacuum cleaner and method for operating the same |
Fumio Jyouraku, Hisao Suka, Kazuo Tahara, Haruo Koharagi |
1992-10-20 |
| 5110266 |
Electric blower having improved return passage for discharged air flow |
Hisanori Toyoshima, Fumio Jyoraku, Yukiji Iwase, Shigenori Sato |
1992-05-05 |
| 5075607 |
Method and apparatus for operating vacuum cleaner |
Haruo Koharagi, Kazuo Tahara, Tsunehiro Endo, Kunio Miyashita, Fumio Jyoraku +5 more |
1991-12-24 |
| 5042844 |
Hose fixture device |
Akira Iida, Akira Iwao, Naruhiko Suzuki, Yasuyuki Hiruta |
1991-08-27 |
| 5027469 |
Vacuum cleaner |
Hisanori Toyoshima, Fumio Jyoraku, Mitsuhisa Kawamata, Jiro Arai |
1991-07-02 |
| 5003663 |
Upright-type electric vacuum cleaner |
Masao Sunagawa, Kazuhiro Kubota, Susumu Satoh |
1991-04-02 |
| 4983895 |
Method and apparatus for operating vacuum cleaner |
Haruo Koharagi, Kazuo Tahara, Tsunehiro Endo, Kunio Miyashita, Fumio Jyoraku +5 more |
1991-01-08 |
| 4958406 |
Method and apparatus for operating vacuum cleaner |
Hisanori Toyoshima, Fumio Jyoraku, Kazuo Tahara, Haruo Koharagi, Syuji Watanabe +4 more |
1990-09-25 |
| 4955105 |
Vacuum cleaner |
Masao Sunagawa, Fumio Jyoraku, Susumu Satoo |
1990-09-11 |
| 4912593 |
Electrical appliance |
Akira Iwao, Yasuyuki Hiruta |
1990-03-27 |
| 4905341 |
Upright-type electric vacuum cleaner |
Masao Sunagawa, Kazuhiro Kubota, Susumu Satoh |
1990-03-06 |
| 4893376 |
Upright-type electric vacuum cleaner |
Masao Sunagawa, Kazuhiro Kubota, Susumu Satoh |
1990-01-16 |
| 4880474 |
Method and apparatus for operating vacuum cleaner |
Haruo Koharagi, Kazuo Tahara, Tsunehiro Endo, Kunio Miyashita, Fumio Jyoraku +5 more |
1989-11-14 |
| D302878 |
Electric vacuum cleaner |
Shigetaka Kimura, Kohichi Hasegawa, Masao Sunagawa, Fumio Jyoraku |
1989-08-15 |
| 4809394 |
Vacuum cleaner having a blower facility structure |
Hisao Suka, Akira Iwao, Kazuhiro Kubota, Masao Sunagawa |
1989-03-07 |
| 4446594 |
Upright type electric cleaner |
Syuji Watanabe, Masao Sunagawa |
1984-05-08 |