AO

Akira Ohkawa

HI Hitachi: 1 patents #1,316 of 3,771Top 35%
Ricoh Company: 1 patents #330 of 863Top 40%
Overall (2004): #74,247 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6730172 Chucking device Kenji Furuya, Shoji Tatejima, Yoshihiro Yamaguchi, Masayuki Terayama 2004-05-04
6706647 Method of and apparatus for manufacturing semiconductors Yoshitsugu Tsutsumi, Yoshio Okamoto, Hideki Tomioka, Toshio Ando 2004-03-16