Hirotsugu Kumazawa

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Solution applying apparatus
- Patent number 5,439,519
- Issue date Aug 8, 1995
- Tokyo Ohka Kogyo Co., Ltd.
- Hiroyoshi Sago
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device for cleaning planar workpiece
- Patent number 5,349,978
- Issue date Sep 27, 1994
- Tokyo Ohka Kogyo Co., Ltd.
- Hiroyoshi Sago
- B08 - CLEANING