Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12249725 | All-solid-state battery | Katsuhiro Fujikawa, Takumi Otsuka | 2025-03-11 |
| 10882491 | Lock device | Koji Okuda, Takanori MATSUYAMA | 2021-01-05 |
| 10232820 | Steering lock device | Koji Okuda, Masakazu Matsumoto, Takanori MATSUYAMA, Naoki Sekine, Mineo Maekawa | 2019-03-19 |
| 7687188 | Sealed cell having non-resealable safety valve | Hironori Marubayashi, Satoshi Yoshida, Ryo Kashimura | 2010-03-30 |
| 7140380 | Cell safety valve and cell having same | Hironori Marubayashi, Yoshihiro Tobita, Shigeki Fujii | 2006-11-28 |
| 6571816 | Cell safety valve and method for manufacturing the same | Hironori Marubayashi, Shigeki Fujii, Yosihiro Tobita | 2003-06-03 |
| 5976729 | Cell which secures the reliability of a protective circuit | Kazuro Moriwaki, Masatoshi Takahashi, Kensuke Nakatani | 1999-11-02 |