Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370619 | Electrical resistance welding electrode | Yoshitaka Aoyama | 2025-07-29 |
| 12290870 | Projection nut feeder | Yoshitaka Aoyama | 2025-05-06 |
| 12233538 | Supply device for shaft-like component | Yoshitaka Aoyama | 2025-02-25 |
| 11759881 | Supply rod for shaft-like component | Yoshitaka Aoyama | 2023-09-19 |
| 11453082 | Electric resistance welding electrode and method for maintaining airtightness | Yoshitaka Aoyama | 2022-09-27 |
| 11230439 | Feeding rod for shaft-shaped component and feeding method | Yoshitaka Aoyama | 2022-01-25 |
| 11179818 | Supply rod for shaft-like component | Yoshitaka Aoyama | 2021-11-23 |
| 11179798 | Part stopping/passing unit, and thread fastening device | Yoshitaka Aoyama | 2021-11-23 |
| 10646952 | Projection bolt welding method | Yoshitaka Aoyama | 2020-05-12 |
| 10632562 | Electrode for electric resistance welding | Jyunnichi Suzuki, Takami Aramaki, Kenji Ninomiya, Hiromi Kudou, Yoshitaka Aoyama | 2020-04-28 |
| 10350700 | Welding apparatus | Yoshitaka Aoyama | 2019-07-16 |
| 9873572 | Part feeder apparatus | Yoshitaka Aoyama | 2018-01-23 |
| 9321121 | Electric resistance welding device, electrode therefor, and welding method | Yoshitaka Aoyama | 2016-04-26 |
| 8872529 | Component detection device and component detection method | Yoshitaka Aoyama | 2014-10-28 |
| 8552332 | Bolt for projection welding and method of welding the same | Yoshitaka Aoyama | 2013-10-08 |
| 8394749 | Pressure medium oil | Keizo Murata, Hiroshi Nagakawa, Tahei Okada | 2013-03-12 |
| 8338738 | Method of welding projection bolt and welding apparatus | Yoshitaka Aoyama | 2012-12-25 |
| 8336716 | Shaft-like parts feeding apparatus | Yoshitaka Aoyama | 2012-12-25 |
| 8292813 | Transmission medium for ultrasonic diagnosis | Toshiyuki Tsubouchi, Mikio Fukuhara | 2012-10-23 |
| 7965001 | Drive control device for oscillator, drive control method for ocillator, and manufacturing method for oscillator | Yoshitaka Aoyama | 2011-06-21 |
| 7509994 | Device for removing sand from casting | Yoshitaka Aoyama | 2009-03-31 |
| 7291801 | Electrode for projection welding | Yoshitaka Aoyama | 2007-11-06 |
| 7014031 | Method and apparatus for conveying parts | Yoshitaka Aoyama | 2006-03-21 |
| 6874655 | Method and device for automatically feeding parts having through-hole | Yoshitaka Aoyama | 2005-04-05 |
| 6825436 | Welding method and welding device of cap nut | Yoshitaka Aoyama | 2004-11-30 |