Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304549 | Sensor device and steering wheel | Kenji Kawano | 2025-05-20 |
| 11975754 | Sensor device and steering wheel | Kenji Kawano | 2024-05-07 |
| 11456127 | Switch device | Kazuma Takeo, Kenji Kawano | 2022-09-27 |
| 9704668 | Input device | Ryuichi Watanabe, Yoshiyuki Tagawa | 2017-07-11 |
| 8601852 | Method of manufacturing seamless pipe and tube | — | 2013-12-10 |
| 8091394 | Foreign pipe or tube determining method | Takeshi Maekawa | 2012-01-10 |
| 8006528 | Method for producing duplex stainless steel pipe, method for straightening, method for regulating strength, and method for operating straightener | — | 2011-08-30 |
| 7416617 | High strength seamless steel pipe excellent in hydrogen-induced cracking resistance | Nobutoshi Murao, Nobuyuki Hisamune, Kunio Kondo | 2008-08-26 |
| 5938865 | Process for producing high-strength seamless steel pipe having excellent sulfide stress cracking resistance | Kunio Kondo, Takahiro Kushida, Hideki Takabe | 1999-08-17 |