Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7852489 | Method for measuring surface profile, and apparatus using the same | Masashi Sugiyama, Katsuichi Kitagawa, Kazuyoshi Suzuki | 2010-12-14 |
| 6501553 | Surface profile measuring method and apparatus | Akira Hirabayashi, Katsuichi Kitagawa | 2002-12-31 |