Takaaki SEKIYAMA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Die steel and method for producing same
- Patent number 10,196,719
- Issue date Feb 5, 2019
- Hitachi Metals, Ltd.
- Ryuuichiroh Sugano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Cyclopropane derivatives and anti-viral agent containing the same
- Patent number 5,496,824
- Issue date Mar 5, 1996
- Ajinomoto Co., Inc.
- Tomoyuki Onishi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclopropane derivative
- Patent number 5,449,840
- Issue date Sep 12, 1995
- Ajinomoto Co., Inc.
- Satoshi Hatsuya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclopropane derivative
- Patent number 5,342,840
- Issue date Aug 30, 1994
- Ajinomoto Co., Inc.
- Satoshi Hatsuya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,4-dihydropyridine compounds useful as reverse resistance agents
- Patent number 5,292,757
- Issue date Mar 8, 1994
- Ajinomoto Company, Inc.
- Koji Ohsumi
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
DIE STEEL AND METHOD FOR PRODUCING SAME
- Publication number 20160010189
- Publication date Jan 14, 2016
- Hitachi Metals, Ltd.
- Ryuuichiroh SUGANO
- C21 - METALLURGY OF IRON
Information Patent Application
Process for producing new oxazepine derivatives
- Publication number 20020133004
- Publication date Sep 19, 2002
- AJINOMOTO CO. INC.
- Takaaki Sekiyama
- C07 - ORGANIC CHEMISTRY