Inventor

Takayasu Sonoyama

Inventor

Sakai, JP

Overview

14→

Patents

1976–1995

Patent span

Chemistry

Primary field (CPC C)

Patents· 14 as inventor

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

C12Pprimary

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture30%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests23%

C12NMicroorganisms or enzymes16%

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

C07HSugars5%

B01FMixing, e.g. dissolving, emulsifying or dispersing2%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%

C02FTreatment of water, waste water, sewage, or sludge2%

C07CAcyclic or carbocyclic compounds2%

C12MApparatus for enzymology or microbiology2%

PatentTitleYear

5,459,067'Method for producing optically active norborneol by ester hydrolysis'1995 5,338,676'Cephalosporin acetylhydrolase gene and protein encoded by said gene'1994 5,281,525'Cephalosporin acetylhydrolase gene from Bacillus subtilis'1994 5,234,819'Method for preparing 2,5-diketo-D-gluconic acid'1993 5,134,077'Microorganisms of the genus Erwinia useful for preparing 2,5-diketo-D-gluconic acid'1992 4,879,229'Method for preparing 2,5-diketo-D-gluconic acid'1989 4,748,122'2,5-diketo-D-gluconic acid reductase'1988 4,696,897'Process for preparing 2-keto-L-gulonic acid'1987 4,543,331'Fermentative or enzymatic production of 2-keto-L-gulonic acid'1985 RE030872'Process for producing 2-keto-L-gulonic acid'1982 4,287,137'Vane-type fluid impeller and method of aerating a liquid'1981 3,998,697'Process for preparing 2-keto-L-gulonic acid'1976 3,963,574'Process for producing 2-keto-L-gulonic acid'1976 3,959,076'Process for producing 2-keto-L-gulonic acid'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1995Patents assigned to SHIONOGI & CO (12)· patent assignee history

1976Patents assigned to HONJO TAHIKO (1)· patent assignee history

1976Patents assigned to KAGEYAMA BUNJI (1)· patent assignee history

1976Patents assigned to KOBAYASHI KOBEE (1)· patent assignee history

1976Patents assigned to SONOYAMA TAKAYASU (1)· patent assignee history

1976–1995Based in Sakai, JP· patent location history

1976Based in Kariya, Aichi-pref., JP· patent location history

1985–1993Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHIONOGI & CO	12	1976–1995
HONJO TAHIKO	1	1976
KAGEYAMA BUNJI	1	1976
KOBAYASHI KOBEE	1	1976
SONOYAMA TAKAYASUself	1	1976

Locations

Location	Patents	Span
Sakai, JP	7	1976–1995
Osaka, JP	6	1985–1993
Kariya, Aichi-pref., JP	1	1976