Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9335909 | Drawing assist device, drawing assist program, and drawing assist method | Yoichiro Komatsu, Kenji Shimada, Soji Yamakawa | 2016-05-10 |
| 8593487 | Drawing support device, drawing support program, and drawing support method | Kenji Shimada | 2013-11-26 |