Masaie Tohkai

Follow

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Continuous vacuum processing apparatus
- Patent number 5,088,908
- Issue date Feb 18, 1992
- Hitachi, Ltd.
- Shinobu Ezaki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Continuous vacuum treating apparatus
- Patent number 4,551,310
- Issue date Nov 5, 1985
- Hitachi, Ltd.
- Kiyoshi Imada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Roll seal boxes for continuous vacuum treating apparatus
- Patent number 4,501,428
- Issue date Feb 26, 1985
- Hitachi, Ltd.
- Susumu Ueno
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...