Inventor

Hiroyasu Tobe

Inventor

Tokyo, JP

Overview

4→

Patents

1984–1997

Patent span

Chemistry

Primary field (CPC C)

Patents· 4 as inventor

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes14%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%

C07HSugars14%

C12NMicroorganisms or enzymes14%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture14%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms14%

B01DSeparation7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

PatentTitleYear

5,679,716'Pharmaceutical composition for treating osteoporosis'1997 5,604,263'Treating osteoporosis with humulones'1997 4,592,999'Process for producing daunomycin'1986 4,474,945'Anthracycline antibiotics'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to SANRAKU OCEAN CO (1)· patent assignee history

1984–1986Based in Tokyo, JP· patent location history

1986Patents assigned to SANRAKU INC (1)· patent assignee history

1997Patents assigned to HOECHST JAPAN (2)· patent assignee history

1997Based in Fujisawa, JP· patent location history

1997Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HOECHST JAPAN	2	1997
SANRAKU INC	1	1986
SANRAKU OCEAN CO	1	1984

Locations

Location	Patents	Span
Tokyo, JP	2	1984–1986
Fujisawa, JP	1	1997
Kanagawa, JP	1	1997