Inventor

Takeshi Tozawa

Inventor

Kanagawa, JP

Overview

3→

Patents

1994–1997

Patent span

Chemistry

Primary field (CPC C)

Patents· 3 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 preparations17%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals17%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy17%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%

PatentTitleYear

5,607,785'Polymer electrolyte electrochemical cell and process of preparing same'1997 5,338,874'Cis oxalato (trans 1-1,2-cyclohexanediamine) PT(II) having optically high purity'1994 5,298,642'Process of optically resoluting optically active platinum complex compound'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1997Patents assigned to TANAKA PRECIOUS METAL IND (3)· patent assignee history

1994–1997Based in Kanagawa, JP· patent location history

1997Patents assigned to STONEHART ASS INC (1)· patent assignee history

1997Patents assigned to WATANABE M (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TANAKA PRECIOUS METAL IND	3	1994–1997
STONEHART ASS INC	1	1997
WATANABE M	1	1997

Locations

Location	Patents	Span
Kanagawa, JP	3	1994–1997