Seiji Yamamoto

Follow

Person

Kokubunji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Surface analyzing method and its apparatus
- Patent number 5,714,757
- Issue date Feb 3, 1998
- Hitachi, Ltd.
- Naoshi Itabashi
- G01 - MEASURING TESTING
Information Patent Grant
Surface treating method and apparatus therefor
- Patent number 5,527,731
- Issue date Jun 18, 1996
- Hitachi, Ltd.
- Seiji Yamamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
X-ray exposure method with an X-ray mask comprising phase shifter s...
- Patent number 5,372,916
- Issue date Dec 13, 1994
- Hitachi, Ltd.
- Taro Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY