AK

Akihiro Kawahara

CI Chubu Electric Power Company, Incorporated: 1 patents #5 of 13Top 40%
HO Hoya: 1 patents #77 of 218Top 40%
NL Noritake Co., Limited: 1 patents #1 of 16Top 7%
Overall (2011): #114,099 of 364,097Top 35%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7938940 Support for oxygen separation membrane element and the element using the same Shigeo Nagaya, Hiroshi Seo 2011-05-10
7892708 Mask blank substrate, mask blank, exposure mask, mask blank substrate manufacturing method, and semiconductor manufacturing method Masaru Tanabe, Atsushi Kawaguchi, Hiroyuki Akagawa 2011-02-22