Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7124875 | Escalator with high speed inclined section | Takashi Yumura, Joichi Nakamura | 2006-10-24 |
| 7104386 | Sloped part high-speed escalator | Takashi Yumura, Yasumasa Haruta, Tatsuya Yoshikawa, Shinji Nagaya, Joichi Nakamura | 2006-09-12 |
| 6832678 | Escalator with high speed inclined section | Takashi Yumura, Joichi Nakamura | 2004-12-21 |
| 6796416 | High-speed escalator for slope | Takashi Yumura, Joichi Nakamura | 2004-09-28 |
| 6591959 | Escalator with high speed inclinded section | Takashi Yumura, Yasumasa Haruta, Tatsuya Yoshikawa, Shinji Nagaya, Joichi Nakamura | 2003-07-15 |
| 6588573 | Escalator with high speed inclined section | Takashi Yumura, Yasumasa Haruta, Tatsuya Yoshikawa, Shinji Nagaya, Joichi Nakamura | 2003-07-08 |
| 5442605 | Head driving device with carriage assembly centroid position set where servo frequency is not delayed | Hidemitsu Fujisawa | 1995-08-15 |
| 5375115 | Disk recording and reproducing apparatus having a guide shaft compression mechanism which secures a guide shaft along which the head moves | Hiroo Shimegi, Hidemitsu Fujisawa, Yutaka Hashioka, Kazuhito Sakota, Masayuki Suzuki +3 more | 1994-12-20 |
| 5291345 | Apparatus for applying magnetic field and magneto-optical disk storage having such apparatus | Yoshiaki Umeda, Hiroo Shimegi, Akira Nikaido, Fumio Sakamoto, Shigeharu Honda | 1994-03-01 |
| 5278819 | Disk storage device having a carriage locking mechanism | Hiroo Shimegi, Hidemitsu Fujisawa, Yutaka Hashioka, Kuzuhito Sakota, Masayuki Suzuki +3 more | 1994-01-11 |
| D342061 | Magnetic optical disk drive | Kazuhito Sakota, Yasushi Noda, Masayuki Suzuki, Keiji Uehara, Yoshiki Kirinoe | 1993-12-07 |
| D341580 | Magnetic optical disk drive | Kazuhito Sakota, Yasushi Noda, Masayuki Suzuki, Keiji Uehara, Yoshiki Kirinoe | 1993-11-23 |
| D341581 | Magnetic optical disk drive | Kazuhito Sakota, Yasushi Noda, Masayuki Suzuki, Keiji Uehara, Yoshiki Kirinoe | 1993-11-23 |
| D336080 | Magnetic optical disc drive | Kazuhito Sakota, Yasushi Noda, Masayuki Suzuki, Keiji Uehara, Yoshiki Kirinoe | 1993-06-01 |
| 5164935 | Magneto-optical disk storage having erroneous insertion prevention mechanism | Hiroo Shimegi, Hidemitsu Fujisawa, Keiji Uehara, Masayuki Suzuki, Yoshiki Kirinoe +1 more | 1992-11-17 |
| 5130873 | Head positioning apparatus for disc unit | Takashi Yumura, Tetsu Yamamoto | 1992-07-14 |
| 5105419 | Carriage assembly | Takashi Yumura, Tetsu Yamamoto | 1992-04-14 |
| 4961118 | Document scanner driven by electromagnetic actuators | Takaharu Ueda, Tetsu Yamamoto, Takashi Yumura | 1990-10-02 |
| 4910486 | Electromagnetic drive actuator | Takashi Yumura, Tetsu Yamamoto | 1990-03-20 |