YK

Yasumasa Kawashima

HI Hitachi: 3 patents #156 of 2,942Top 6%
Overall (1997): #9,550 of 185,788Top 6%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
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