Inventor

Kunikatsu Shirahata

Inventor

Machida, JP

Overview

36→

Patents

1977–1990

Patent span

Chemistry

Primary field (CPC C)

Patents· 36 as inventor

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

A61Pprimary

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations19%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture13%

C07DHeterocyclic compounds12%

C12NMicroorganisms or enzymes12%

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

C07HSugars11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

A61KPreparations for medical, dental or toiletry purposes5%

C07KPeptides4%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%

PatentTitleYear

4,962,125'Novel substance KS-619-1, preparation process and pharmaceutical composition'1990 4,894,362'Eel growth hormone'1990 4,853,385'7-N,8-N-Ethylenemitomycin 8-imines'1989 4,771,068'Mitomycin derivatives having anti-tumor and antibacterial utility'1988 4,748,251'7-n-aminomethylenemitomycin derivative'1988 4,733,000'Optially active 1-amino-2-(4-hydroxyphenyl)ethylphosphonic acid and derivatives thereof'1988 4,692,310'Substance K-259-2 and a process for producing the same'1987 4,691,024'New mitomycin derivatives, preparation thereof and pharmaceutical compositions containing them'1987 4,683,220'Novel physiologically active substances K-26, a process for preparation thereof and a pharmaceutical composition containing the same'1987 4,645,755'Fish growth hormone'1987 4,623,722'Fortimicin factor KG.sub.3'1986 4,618,613'Preventive and healing composition for diseases due to lipoxygenase metabolic products'1986 4,563,462'Substance AX-2, a process for producing the same and an antitumor composition containing the same'1986 4,555,402'Physiologically active substance K-252, process for producing same and pharmaceutical composition containing same'1985 4,522,812'Novel physiologically active substance K-4, a process for preparation thereof and a pharmaceutical composition containing the same'1985 4,511,560'Antibiotic substances DC-45, and their use as medicaments'1985 4,459,291'Compounds having antibiotic activity, processes for their preparation, pharmaceutical compositions containing them and their use as medicaments'1984 4,438,197'Compound DC-38-V and process for production thereof'1984 4,395,558'9-Epi-mitomycin B and D compounds'1983 4,393,056'Antibiotics tetronolide compounds and process for production thereof'1983 4,374,774'Mitomycins'1983 4,353,986'Process for producing antibiotic nanaomycin E'1982 4,346,075'Antibiotic DC-11 and process for production thereof'1982 4,340,725'Novel compound DC-38-V and process for production thereof'1982 4,310,661'Antibiotics XK-62-3 and XK-62-4 and process for production thereof'1982 4,298,690'Antibiotics XK-62-3 and XK-62-4 and process for production thereof'1981 4,296,040'Antibiotic nanaomycin E and a process for producing the same'1981 4,264,504'Mitomycin derivatives'1981 4,241,182'Fortimicin factors KG.sub.1, KG.sub.2 and KG.sub.3 and processes for production thereof'1980 4,218,562'Antibiotic derivatives of XK-62-2'1980 4,216,308'Fortimicin factors D and KE compounds'1980 4,209,612'Fortimicin factors KF and KG and process for production thereof'1980 4,145,253'Process for producing fortimicin factors'1979 4,132,846'1-N-(.alpha.-Hydroxy-.beta.-aminopropionyl) XK-62-2 and method of production thereof'1979 4,109,077'Antibiotic derivatives of XK-62-2 compounds'1978 4,055,715'Method of producing 1-N-[L-(-)-.alpha.-hydroxy-.gamma.-aminobutyryl]XK-62-2'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1980Patents assigned to ABBOTT LAB (7)· patent assignee history

1977–1980Based in Columbus, OH, US· patent location history

1979–1986Based in Machida, JP· patent location history

1980–1990Patents assigned to KYOWA HAKKO KOGYO KK (27)· patent assignee history

1985–1990Based in Komae, JP· patent location history

1986Patents assigned to KYOWA HAKKO KOGYO COMPANY LTD (1)· patent assignee history

1986Patents assigned to KYOWA HAKKO KOGYO KABUSHIKI (1)· patent assignee history

1986–1988Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KYOWA HAKKO KOGYO KK	27	1980–1990
ABBOTT LAB	7	1977–1980
KYOWA HAKKO KOGYO COMPANY LTD	1	1986
KYOWA HAKKO KOGYO KABUSHIKI	1	1986

Locations

Location	Patents	Span
Machida, JP	18	1979–1986
Komae, JP	12	1985–1990
Columbus, OH, US	4	1977–1980
Tokyo, JP	2	1986–1988