Hiroyuki Otsuka

Follow

Person

Okayama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Mesophase pitch for use in the making of carbon materials and proce...
- Patent number 4,891,126
- Issue date Jan 2, 1990
- Mitsubishi Gas Chemical Company, Inc.
- Isao Mochida
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing pitch used as starting material for the makin...
- Patent number 4,789,455
- Issue date Dec 6, 1988
- Mitsubishi Gas Chemical Co. Inc.
- Isao Mochida
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...