Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621872 | Curved surface generating method and apparatus therefor | Shiro Nonaka, Yasumasa Kawashima, Takayuki Ishikawa, Norihiro Nakajima | 1997-04-15 |
| 5604886 | Design supporting apparatus and method for performing design work at each of a plurality of design stages | Yasumasa Kawashima, Shiro Nonaka, Takayuki Ishikawa | 1997-02-18 |