Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305737 | Ball screw | — | 2025-05-20 |
| 12269133 | Method of manufacturing ball screw device | Wei Xu, Toshiaki Suzuki | 2025-04-08 |
| 12241527 | Multi-row ball screw | — | 2025-03-04 |
| 8729979 | Input/output coupling structure for dielectric waveguide | Hiroshi Kojima, Kazuhiro Ito | 2014-05-20 |
| 8196067 | Mask for multi-column electron beam exposure, and electron beam exposure apparatus and exposure method using the same | Akio Yamada, Hitoshi Tanaka | 2012-06-05 |
| 8109169 | Ball screw device | Masato Kato, Yoshinori Mizumura | 2012-02-07 |
| 7278333 | Ball screw device | Masato Kato, Junji Minakuchi | 2007-10-09 |
| 7089819 | Linear guide apparatus | Masato Katou | 2006-08-15 |
| 6989059 | Process for producing single crystal of compound semiconductor and crystal growing apparatus | Toshiaki Asahi, Kenji Sato, Atsutoshi Arakawa | 2006-01-24 |
| 6938510 | Ball screw apparatus | — | 2005-09-06 |
| 6911661 | Electron beam exposure apparatus | Akio Yamada | 2005-06-28 |
| 6903355 | Electron beam exposure apparatus, electron beam method, semiconductor device manufacturing method, mask, and mask manufacturing method | Hiroshi Yasuda, Akio Yamada | 2005-06-07 |
| 6711963 | Ball screw | — | 2004-03-30 |
| 6439072 | Ball screw | Toshiharu Kajita, Hideyuki Sato | 2002-08-27 |
| 6082209 | Ball screw | Nobuhide Kurachi | 2000-07-04 |
| 5323872 | Automotive vehicle equipped with air bag system | — | 1994-06-28 |