Inventor

Kokichi Yoshida

Inventor

Osaka, JP

Overview

6→

Patents

1981–1998

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

C07Dprimary

C07DHeterocyclic compounds31%

Y02PClimate change mitigation technologies in the production or processing of goods23%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals15%

C07BGeneral methods of organic chemistry8%

C07CAcyclic or carbocyclic compounds8%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%

C07HSugars8%

PatentTitleYear

5,763,619'Process for the production of tetrazolyl compounds'1998 5,578,733'Process for the production of tetrazolyl compounds'1996 5,118,817'Process for production of 2-phosphated esters of ascorbic acid'1992 4,871,868'Production of substituted acetylenic compounds'1989 4,505,788'Production of p-aminobenzoylglutamic acid by electrochemical reduction'1985 4,256,550'Method for producing vitamin B.sub.1 and its intermediate'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to NIINOBE TAKAO (1)· patent assignee history

1981Patents assigned to YOKOYAMA MASAO (1)· patent assignee history

1981Patents assigned to YOSHIDA KOKICHI (1)· patent assignee history

1981–1985Based in Hikari, JP· patent location history

1985–1998Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (5)· patent assignee history

1989–1992Based in Suita, JP· patent location history

1996–1998Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TAKEDA CHEMICAL INDUSTRIES LTD	5	1985–1998
NIINOBE TAKAO	1	1981
YOKOYAMA MASAO	1	1981
YOSHIDA KOKICHIself	1	1981

Locations

Location	Patents	Span
Osaka, JP	2	1996–1998
Suita, JP	2	1989–1992
Hikari, JP	2	1981–1985