Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9868661 | Glass lens blank for polishing, manufacturing method therefore, and optical lens manufacturing method | Mikio Ikenishi, Yoshitake Tanno, Isao Tanaka | 2018-01-16 |
| 5088403 | Marker for confirmation of paper web-threaded paths and paper web-threaded path confirming apparatus for rotary presses | Noriyuki Shiba | 1992-02-18 |