Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10478966 | Workpiece support system | Tomohiko SEKIGUCHI, Kazuyuki Ogusu, Kenichi Asakuma, Kimihiro Nanaeda | 2019-11-19 |
| 8539656 | Fastening tool | Keigo Katou, Yoshio Hirooka | 2013-09-24 |
| 8533931 | Fastening method and fastening tool | Keigo Katou, Yoshio Hirooka | 2013-09-17 |
| 6675477 | Method for manufacturing spool valve | Keigo Kato | 2004-01-13 |
| 6520210 | Spool valve | Keigo Kato | 2003-02-18 |
| 6202283 | Method of manufacturing a shaft with surfaces thereof modified | Keigo Kato | 2001-03-20 |
| 6089068 | Method of manufacturing a shaft having a fluid flow passage | Keigo Kato | 2000-07-18 |
| 6061906 | Process for manufacturing a spool valve | Keigo Kato | 2000-05-16 |
| 5782268 | Spool valve and process for manufacturing the same | Keigo Kato | 1998-07-21 |
| 4506266 | Antenna apparatus for vehicle-mounted receiver/transmitter equipment with automatic antenna length control | Tatsuo Ito, Shuji Sugawara, Masakazu Moriyama, Masahito Muto, Shuji Nakane | 1985-03-19 |
| 4476579 | Electronic tuning radio receiver | Tatsuo Ito, Kazuyuki Hoda | 1984-10-09 |