HK

Hideo Kawahara

NL Nippon Sheet Glass Company, Limited: 3 patents #1 of 96Top 2%
Canon: 1 patents #772 of 1,756Top 45%
📍 Kawaguchi, JP: #2 of 43 inventorsTop 5%
Overall (1994): #6,165 of 165,921Top 4%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5326720 Method for producing silicon dioxide film which prevents escape of Si component to the environment Takuji Goda, Yasuto Sakai, Akihiro Hishinuma, Shigehito Deki 1994-07-05
5325149 Camera system with interchangeable lens 1994-06-28
5296974 Light controlling device and process for controlling light transmission Hiroaki Tada, Yasuhiro Saito, Masahiro Hirata, Masato Hyodo 1994-03-22
5279851 Method of manufacturing a conductive glass with high strength and wear resistance Masao Minosou, Masakiyo Tonoike 1994-01-18