AS

Akihiko Sugama

SC Shin-Etsu Quartz Products Co.: 8 patents #10 of 149Top 7%
HQ Heraeus Quarzglas: 1 patents #147 of 287Top 55%
Overall (All Time): #623,213 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11834362 Method for producing multilayered silica glass body Tatsuya Mori 2023-12-05
6595844 Outer-diameter blade, inner-diameter blade, core drill and processing machines using same ones Toru Mizuno, Ikuo Hattori, Toshikatsu Matsuya, Yoshiaki Ise 2003-07-22
6595845 Outer-diameter blade, inner-diameter blade, core drill and processing machines using same ones Toru Mizuno, Ikuo Hattori, Toshikatsu Matsuya, Yoshiaki Ise 2003-07-22
6296826 Method for the preparation of vitrified silica particles Akira Fujinoki, Tohru Yokota 2001-10-02
6209354 Method of preparing silica glass article Akira Fujinoki, Masaatsu Kataoka, Wolfgang Englisch 2001-04-03
6203416 Outer-diameter blade, inner-diameter blade, core drill and processing machines using same ones Toru Mizuno, Ikuo Hattori, Toshikatsu Matsuya, Yoshiaki Ise 2001-03-20
5970746 Method for preparing silica glass article Akira Fujinoki, Masaatsu Kataoka, Wolfgang Englisch 1999-10-26
5790315 Synthetic silica glass formed article for optical use Akira Fujinoki, Masaatsu Kataoka, Wolfgang Englisch 1998-08-04