Inventor

Haruo Yamamoto

Inventor

Chigasaki, JP

Overview

11→

Patents

1983–1994

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

C07Dprimary

C07DHeterocyclic compounds17%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture17%

C07HSugars11%

C12NMicroorganisms or enzymes11%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms11%

A61KPreparations for medical, dental or toiletry purposes9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%

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

C07CAcyclic or carbocyclic compounds3%

PatentTitleYear

5,278,052'Process for the simultaneous production of benanomicins A and B'1994 5,250,545'Cancer cell metastasis inhibitor methods'1993 5,210,097'Xanthocillin X monomethyl ether derivative and antitumor agent containing the same'1993 5,109,122'Antibiotics, dexylosylbenanomicin B'1992 5,061,702'Cephem compound as an antimicrobial agent'1991 5,055,453'Benanomicins A and antibiotic compositions'1991 5,037,993'Sulfonyl derivatives of an antibiotic substance isolated from streptomyces'1991 4,994,578'Certain anti-tumor duocarmycin antibiotics from streptomyces'1991 4,985,445'Cancer cell metastasis inhibitors and novel compounds'1991 4,954,510'Antiviral agent containing lactam compound'1990 4,387,219'2-Hydroxy gentamicin compounds'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to STERLING DRUG INC (1)· patent assignee history

1983–1994Based in Chigasaki, JP· patent location history

1990–1993Patents assigned to MEIJI SEIKA KAISHA (6)· patent assignee history

1990–1993Based in Kanagawa, JP· patent location history

1991–1994Patents assigned to ZAIDAN HOJIN BISEIBUTSU (3)· patent assignee history

1991Patents assigned to MEIJI SEIKA CO (1)· patent assignee history

1991–1993Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MEIJI SEIKA KAISHA	6	1990–1993
ZAIDAN HOJIN BISEIBUTSU	3	1991–1994
MEIJI SEIKA CO	1	1991
STERLING DRUG INC	1	1983

Locations

Location	Patents	Span
Chigasaki, JP	4	1983–1994
Kanagawa, JP	4	1990–1993
Yokohama, JP	3	1991–1993