Inventor

Takehiro Ogasa

Inventor

Machida, JP

Overview

12→

Patents

1981–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 12 as inventor

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

C07Dprimary

C07DHeterocyclic compounds36%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture18%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%

C07KPeptides7%

Y02PClimate change mitigation technologies in the production or processing of goods7%

C07CAcyclic or carbocyclic compounds4%

C12NMicroorganisms or enzymes4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

PatentTitleYear

6,197,998'Process for producing N-glycyltyrosine and its crystal structure'2001 5,756,823'Glutathione monoester sulfonate'1998 5,585,488'Process for producing indolocarbazole derivatives'1996 5,344,938'Indole 3-carboxylic acid derivatives'1994 4,760,060'3-heteroaralkylthio carbacephem compounds and antibacterial pharmaceutical composition'1988 4,755,596'Optically active carbacephems'1988 4,663,450'Optically active cephalosporin analogs'1987 4,640,919'3-substituted carbacepem compounds having antibacterial effect'1987 4,332,896'Process for producing cephalosporin analogs'1982 4,316,958'Process for producing optically active cephalosporin analogs'1982 4,302,540'Process of producing optically active cephalosporin analogs by enzyme selective deacylation'1981 4,291,164'Cephalosporin analogs and methods for production thereof'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2001Patents assigned to KYOWA HAKKO KOGYO KK (12)· patent assignee history

1981–1988Based in Machida, JP· patent location history

1994Based in Osaka, JP· patent location history

1996–2001Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KYOWA HAKKO KOGYO KK	12	1981–2001

Locations

Location	Patents	Span
Machida, JP	8	1981–1988
Sakai, JP	3	1996–2001
Osaka, JP	1	1994