Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7823465 | Bolt fastening method and apparatus | Yutaka Fujii | 2010-11-02 |
| 7757367 | Method for tightening a threaded fastener to clamp a thread-clamped member | Yutaka Fujii, Yuji Narukawa | 2010-07-20 |
| 7398700 | Bolt tightening method and bolt tightening apparatus | Yutaka Fujii, Hiroshi Shinagawa | 2008-07-15 |
| 6954682 | Method and apparatus for tightening bolts | Yutaka Fujii, Hiroshi Shinagawa | 2005-10-11 |
| 5237404 | Inspection apparatus with improved detection of surface defects over large and curved surfaces | Kazumoto Tanaka, Hidenori Ishiide, Tsuyoshi Sugihara, Akinori Utsunomiya | 1993-08-17 |
| 4987669 | Method of tightening screw | Tsutomu Yamada | 1991-01-29 |