Inventor

Koichi Yokoi

Inventor

Kashiwa, JP

Overview

9→

Patents

1985–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 9 as inventor

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

C07Fprimary

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium33%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations27%

A61KPreparations for medical, dental or toiletry purposes13%

C07DHeterocyclic compounds13%

B60NSeats specially adapted for vehicles7%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for7%

PatentTitleYear

11,117,539Seat device with arresting portion2021 5,585,511'Platinum complex and malignant tumor treating drug containing the same'1996 5,498,780'Platinum complex and malignant tumor treating drug containing the same'1996 5,008,419'Novel platinum complex'1991 4,968,825'Novel platinum complex'1990 4,904,809'Platinum complex'1990 4,835,287'Antibiotic substance'1989 4,584,377'Novel Fredericamycin A derivatives'1986 4,501,752'Antiulcer drug'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1996Patents assigned to SS PHARMACEUTICAL CO (8)· patent assignee history

1985–1991Based in Kashiwa, JP· patent location history

1996Based in Chiba, JP· patent location history

2021Patents assigned to TOYODA GOSEI KK (1)· patent assignee history

2021Based in Kiyosu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SS PHARMACEUTICAL CO	8	1985–1996
TOYODA GOSEI KK	1	2021

Locations

Location	Patents	Span
Kashiwa, JP	6	1985–1991
Chiba, JP	2	1996
Kiyosu, JP	1	2021