Yoshiyasu Kamiyama

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Refining of a rare earth including a process for separation by a re...
- Patent number 5,104,544
- Issue date Apr 14, 1992
- Nitto Denko Corporation
- Hiroshi Shimizu
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Composite semipermeable membrane and process for preparation thereof
- Patent number 4,737,325
- Issue date Apr 12, 1988
- Nitto Electric Industrial Co., Ltd.
- Yoshiyasu Kamiyama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Membrane separation apparatus
- Patent number 4,640,773
- Issue date Feb 3, 1987
- Nitto Electric Industrial Co., Ltd.
- Yuji Nishida
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite semipermeable membrane
- Patent number 4,619,767
- Issue date Oct 28, 1986
- Nitto Electric Industrial Co., Ltd.
- Yoshiyasu Kamiyama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite semipermeable membrane of polyamine and trianzine
- Patent number 4,612,118
- Issue date Sep 16, 1986
- Nitto Electric Industrial Co., Ltd.
- Yoshiyasu Kamiyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing a selective permeable membrane
- Patent number 4,385,084
- Issue date May 24, 1983
- Nitto Electric Industrial Co., Ltd.
- Akio Iwama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Yoshiyasu Kamiyama

Person

Patents Grantslast 30 patents

Refining of a rare earth including a process for separation by a re...

Composite semipermeable membrane and process for preparation thereof

Membrane separation apparatus

Composite semipermeable membrane

Composite semipermeable membrane of polyamine and trianzine

Process for preparing a selective permeable membrane