Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11252116 | Information processing methods, non-transitory computer readable media, and servers for initiating communication over instant message system based on voice call | — | 2022-02-15 |
| 5130550 | Electron beam lithography apparatus having device for correcting beam shape | Kazumitsu Nakamura | 1992-07-14 |
| 4524277 | Charged particle beam apparatus | Yoshimasa Shimura, Yoshihisa Minamikawa, Katsuhiro Kawasaki | 1985-06-18 |