Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11677302 | Coil forming apparatus and coil forming method | Tomomi IWAMOTO | 2023-06-13 |
| 6188155 | Spindle motor | Masayoshi Saichi, Yoshinari Yoko | 2001-02-13 |
| 6172439 | Motor rotor using a cylindrical yoke with slit | — | 2001-01-09 |
| 6087749 | Rotary polygonal mirror driving apparatus | — | 2000-07-11 |
| 5945752 | Shaft-fixed-type motor | — | 1999-08-31 |
| 5933267 | Rotary polygon mirror type light deflector | — | 1999-08-03 |
| 5877918 | Disk driving device with hub flange secured between yoke and drive magnet | Koichi Katakura | 1999-03-02 |
| 5744881 | Spindle motor, and its rotor yoke manufacturing method | Koichi Katakura | 1998-04-28 |
| 5686771 | Electric motor | Koichi Katakura | 1997-11-11 |
| 5675430 | Rotary polygon mirror | Shinji Ohta | 1997-10-07 |
| 5666219 | Rotary polygon mirror type light deflecting system | Koichi Katakura | 1997-09-09 |
| 5661588 | Rotary polygon mirror type light deflecting system | Koichi Katakura | 1997-08-26 |
| 5653541 | Disk driving motor | Shinji Kinoshita | 1997-08-05 |
| 5638233 | Magnetic disk drive motor having a fixed shaft with circumferential grooves for integrating the bearing therewith and having a disc abutting the outer ring of the bearing | — | 1997-06-10 |
| 5636084 | Magnetic disk drive motor including a fixed shaft having mounted thereon a ball bearing with a rotor fixed at one end thereof and having a disc abutting the outer ring of the bearing | — | 1997-06-03 |
| 5606475 | Magnetic disc drive motor including a fixed shaft having mounted thereon a lower bearing member with a portion for mounting a rotor | — | 1997-02-25 |
| 5507873 | Vertical boat | Yoshiyuki Watanabe, Tatsuo Nozawa, Shinzi Sawanobori, Tomio Kon | 1996-04-16 |
| 5492229 | Vertical boat and a method for making the same | Takashi Tanaka, Jun Yoshikawa, Eiichi Toya, Atsuo Kitazawa, Kazunori Meguro +4 more | 1996-02-20 |
| 5471357 | Magnetic disk drive device having a liquid insulating material provided in different thicknesses on an iron core | — | 1995-11-28 |
| 5450261 | Magnetic disc drive motor having disc securely fixed to loading surface to abut upper bearing outer ring | — | 1995-09-12 |
| 4968160 | Cooling device for printer head | — | 1990-11-06 |
| 4828019 | Indoor unit for room air conditioners and air conditioning system using the same | Teruyuki Nagao | 1989-05-09 |
| 4815362 | Diffuser unit for air conditioning system | Masanori Kaizaki, Shigeo Tanaka | 1989-03-28 |
| 4810177 | Vane compressor with vane back pressure adjustment | Tsuneori Shibuya, Haruhiko Takada, Teruo Nakamura, Hidehiko Takayama | 1989-03-07 |
| 4805418 | Indoor unit for room air conditioners | Teruyuki Nagao | 1989-02-21 |