Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D840847 | Machine for measuring surface shape and surface roughness | Toshihiko Kajihara, Yu Sugai, Shigeru Ohtani, Shigemitsu Aoki | 2019-02-19 |
| 8701301 | Surface texture measuring instrument | Tatsuki Nakayama | 2014-04-22 |
| 6446496 | Surface texture measuring instrument | Nobuyoshi Fujii, Satoshi Ueda | 2002-09-10 |
| 6425285 | Drive unit | Nobuyoshi Fujii, Satoshi Ueda | 2002-07-30 |