YK

Yasumasa Kawashima

HI Hitachi: 9 patents #4,653 of 28,497Top 20%
Overall (All Time): #586,102 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6912445 CAD consulting method, method for detecting inappropriate shape change, data storage medium, and a computer program product Koji Shiroyama, Shunsuke Minami, Kyu Kabata, Nobuhisa Seya 2005-06-28
5712654 Data editing method and apparatus therefor Shiro Nonaka, Shinji Tokumasu, Takayuki Ishikawa, Motomi Odamura 1998-01-27
5692115 Method of generating an image and an apparatus for carrying out such a method Kumiko Itoh, Tomotoshi Ishida, Naoyuki Honda 1997-11-25
5621872 Curved surface generating method and apparatus therefor Shinji Tokumasu, Shiro Nonaka, 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 Shiro Nonaka, Shinji Tokumasu, Takayuki Ishikawa 1997-02-18
5485560 Displaying method and system for displaying an object by designating a state of display of the object Tomotoshi Ishida, Shunsuke Minami, Hiroshi Arai, Takeo Yamada, Shigeru Arai 1996-01-16
5353395 Pattern processing method Shinji Tokumasu, Shiro Nonaka, Tomotoshi Ishida, Norihiro Nakajima, Misato Nio +2 more 1994-10-04
4992962 Area set operation apparatus Tomotoshi Ishida, Shiro Nonaka, Kumiko Itoh 1991-02-12
4956787 Elimination work simulator apparatus Kumiko Ito, Shiro Nonaka, Tomotoshi Ishida 1990-09-11