Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243732 | Vacuum cleaner with fuzzy logic control | Haruo Koharagi, Toshiyuki Ajima, Tsunehiro Endo, Hisao Suka, Mitsuhisa Kawamata +8 more | 1993-09-14 |
| 5239490 | Device for detecting rotation of rotary shaft and rotation controlling apparatus using the same | Ryoso Masaki, Toshiyuki Koterazawa, Kunio Miyashita, Yoshikazu Hoshi, Tadashi Takahashi +1 more | 1993-08-24 |
| 5231344 | Control apparatus for electric generator | Katsuji Marumoto, Kunio Miyashita, Keiichi Mashino, Atsushi Kanke, Akihiro Saito | 1993-07-27 |
| RE34286 | Method and apparatus for operating vacuum cleaner | Hisanori Toyoshima, Fumio Jyoraku, Yoshitaro Ishii, Haruo Koharagi, Syuji Watanabe +4 more | 1993-06-22 |
| 5208502 | Sliding current collector made of ceramics | Nobuyuki Yamashita, Akio Chiba, Masahisa Sobue, Toshimi Abukawa, Shin'ichi Sakamoto +1 more | 1993-05-04 |
| 5166585 | Motor control apparatus for an electric vacuum cleaner | Haruo Koharagi, Tsunehiro Endo, Kunio Miyashita, Yoshitaro Ishii, Fumio Jyoraku +5 more | 1992-11-24 |
| 5155885 | Vacuum cleaner and method for operating the same | Fumio Jyouraku, Yoshitaro Ishii, Hisao Suka, Haruo Koharagi | 1992-10-20 |
| 5118960 | Starter device | Hisaya Sasamoto | 1992-06-02 |
| 5089737 | DC rotary electric machine of permanent magnet field type | Toshimi Abukawa, Noriyoshi Takahashi, Toshio Tomite | 1992-02-18 |
| 5075607 | Method and apparatus for operating vacuum cleaner | Haruo Koharagi, Tsunehiro Endo, Kunio Miyashita, Yoshitaro Ishii, Fumio Jyoraku +5 more | 1991-12-24 |
| 5033565 | Motor-driven power steering apparatus | Toshimi Abukawa, Toshiaki Okuyama, Katsuji Marumoto, Toshiyuki Koterazawa, Mitsuyuki Hombu +6 more | 1991-07-23 |
| 5015905 | DC dynamoelectric machine with interpoles having magnetic flux bypassing members | Haruo Koharagi, Mitsuhiro Nitobe, Nobutaka Suzuki | 1991-05-14 |
| 4983895 | Method and apparatus for operating vacuum cleaner | Haruo Koharagi, Tsunehiro Endo, Kunio Miyashita, Yoshitaro Ishii, Fumio Jyoraku +5 more | 1991-01-08 |
| 4960178 | Motor-driven power steering apparatus | Toshimi Abukawa, Toshiaki Okuyama, Katsuji Marumoto, Toshiyuki Koterazawa, Mitsuyuki Hombu +6 more | 1990-10-02 |
| 4958406 | Method and apparatus for operating vacuum cleaner | Hisanori Toyoshima, Fumio Jyoraku, Yoshitaro Ishii, Haruo Koharagi, Syuji Watanabe +4 more | 1990-09-25 |
| 4926960 | Electric power steering apparatus for vehicle | Hisatugu Ishikura, Toshimi Abukawa, Katsuji Marumoto, Toshiyuki Koterazaka, Mitsuyuki Hombu +5 more | 1990-05-22 |
| 4880474 | Method and apparatus for operating vacuum cleaner | Haruo Koharagi, Tsunehiro Endo, Kunio Miyashita, Yoshitaro Ishii, Fumio Jyoraku +5 more | 1989-11-14 |
| 4875539 | Electric power steering control system | Toshimi Abukawa, Katsuji Murumoto, Toshiyuki Koterazawa, Mitsuyuki Hombu, Tadashi Takahashi +9 more | 1989-10-24 |
| 4865148 | Vehicle height control apparatus responsive to power steering operation | Katsuji Marumoto, Hisatugu Ishikura, Hirohisa Yamamura, Toru Tatsuzaki, Toshimi Abukawa +5 more | 1989-09-12 |
| 4823037 | DC Electric motor having field poles of permanent magnet | Toshimi Abukawa, Noriyoshi Takahashi, Toshio Tomite | 1989-04-18 |
| 4794291 | Permanent magnet field DC machine | Toshimi Abukawa, Noriyoshi Takahashi, Toshio Tomite | 1988-12-27 |
| 4703210 | Miniature electric non-uniform magnetization rotating machine | Toshimi Abukawa, Noriyoshi Takahashi, Toshio Tomite | 1987-10-27 |
| 4657818 | Sliding current collector | Nobuyuki Yamashita, Masatoshi Watanabe, Noriyoshi Takahashi | 1987-04-14 |
| 4639625 | Direct-current machine having permanent magnet field system | Toshimi Abukawa, Noriyoshi Takahashi, Fumio Tajima, Tosio Tomite | 1987-01-27 |
| 4467234 | Armature of rotating machine with means to balance the mutual inductance of adjacent pairs of coils | Takayuki Matsui, Hisaya Sasamoto, Haruo Koharagi, Noriyoshi Takahashi, Akira Takemura | 1984-08-21 |