Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4970800 | Method and apparatus for grading and measuring a surface having a curved profile | Mitsuo Fukukawa, Masayuki Yazawa, Kazumitsu Asai, Yoshiharu Okamoto, Tetsuo Tanaka | 1990-11-20 |
| 4852278 | Method and apparatus for grading and measuring a surface having a curved profile | Mitsuo Fukukawa, Masayuki Yazawa, Kazumitsu Asai, Yoshiharu Okamoto | 1989-08-01 |