Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5936528 | Visually handicapped person guidance and support | Tuguo Kubota | 1999-08-10 |
| 5522509 | Method for sorting tableware of restaurant, tableware used for the same method, adjusting apparatus and tableware sorting apparatus | Chikara Shimamura | 1996-06-04 |