HN

Hisao Nishizawa

DC Dainippon Screen Mfg. Co.: 8 patents #74 of 977Top 8%
📍 Inuyama, JP: #38 of 342 inventorsTop 15%
Overall (All Time): #589,784 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5888344 Method of and an apparatus for processing a substrate Nobutoshi Ogami 1999-03-30
5704493 Substrate holder Kazunori Fujikawa, Kenji Yasui 1998-01-06
5288333 Wafer cleaning method and apparatus therefore Masato Tanaka, Nobuyuki Hirai, Kaoru Shinbara, Hitoshi Yoshioka 1994-02-22
5275184 Apparatus and system for treating surface of a wafer by dipping the same in a treatment solution and a gate device for chemical agent used in the apparatus and the system Yoshio Nomura, Hiroyuki Araki 1994-01-04
5158100 Wafer cleaning method and apparatus therefor Masato Tanaka, Nobuyuki Hirai, Kaoru Shinbara, Hitoshi Yoshioka 1992-10-27
4871417 Method and apparatus for surface treating of substrates Masaru Morita, Masato Tanaka 1989-10-03
4811443 Apparatus for washing opposite surfaces of a substrate 1989-03-14
4735000 Apparatus for drying substrates Noriyuki Hayashi, Eiichiro Hayashi 1988-04-05
4569717 Method of surface treatment Nobutoshi Ohgami, Masaru Kitagawa, Masakazu Saita 1986-02-11