Inventor

Yoshimasa Ishimura

Inventor

Kawasaki, JP

Overview

8→

Patents

1990–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry25%

C07CAcyclic or carbocyclic compounds19%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium19%

C07DHeterocyclic compounds13%

A61KPreparations for medical, dental or toiletry purposes6%

A61QSpecific use of cosmetics or similar toiletry preparations6%

C01BNon-metallic elements6%

Y02PClimate change mitigation technologies in the production or processing of goods6%

PatentTitleYear

6,245,920'Metal raney catalysts and preparation of hydrogenated compounds therewith'2001 6,215,030'Noble metal raney catalysts and preparation of hydrogenated compounds therewith'2001 6,018,048'Noble metal Raney catalysts and preparation of hydrogenated compounds therewith'2000 5,496,532'Process for producing hydrogen peroxide'1996 5,350,775'Benzopyran derivative, method for producing the same and use thereof'1994 5,110,951'Method for producing L-ascorbic acid 2-phosphates'1992 5,001,246'Process for preparation of aminopropylalkoxysilane'1991 4,942,261'Process for preparation of allyl type amine'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2001Patents assigned to SHOWA DENKO KK (8)· patent assignee history

1990–2001Based in Kawasaki, JP· patent location history

1994Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHOWA DENKO KK	8	1990–2001

Locations

Location	Patents	Span
Kawasaki, JP	7	1990–2001
Kanagawa, JP	1	1994