Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12254723 | Tire maintenance management device and tire maintenance system | Tetsuo Shimomura, Sachiko Nakajima, Tadashi Kuwahara, Keiko Seki, Shugo Mitamura +1 more | 2025-03-18 |
| 11772432 | Arithmetic model generation system, wear amount estimation system, and arithmetic model generation method | Nobuyoshi Ishizaka, Sachiko Nakajima, Satoshi Meguro, Tadashi Kuwahara | 2023-10-03 |
| 8182077 | Ink cartridge assemblies having adapter for easily removing ink cartridge from a mounting portion | Tomohiro Kanbe, Hirotake Nakamura, Shingo Hattori | 2012-05-22 |
| 8172383 | Ink cartridge assemblies having adapter for easily removing ink cartridge from mounting portion | Tomohiro Kanbe, Hirotake Nakamura, Shingo Hattori | 2012-05-08 |