LexDanaLexDanabeta
Inventor

Ryoichi Shimizugawa

Inventor
Takaoka, JP

Overview

4→
Patents
1991–1999
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.

C25Bprimary
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals25%
C01GCompounds containing metals not covered by subclasses c01d or c01f17%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds17%
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%
C05DInorganic fertilisers not covered by subclasses c05b, c05c8%
PatentTitleYear
5,938,910'Electrolytic manganese dioxide and method of manufacturing the same'19995,749,935'Manganese fertilizer'19985,746,902'Electrolytic manganese dioxide and method of manufacturing the same'19984,997,531'Process for manufacturing electrolytic manganese oxide'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to INT BATTERY MATERIAL ASS INC (1)· patent assignee history
1991Patents assigned to JAPAN METALS & CHEMICAL CO INC (1)· patent assignee history
1991Based in Ichikawa, JP· patent location history
1998–1999Patents assigned to JAPAN METALS & CHEM CO LTD (3)· patent assignee history
1998–1999Based in Takaoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN METALS & CHEM CO LTD31998–1999
INT BATTERY MATERIAL ASS INC11991
JAPAN METALS & CHEMICAL CO INC11991
Locations
LocationPatentsSpan
Takaoka, JP31998–1999
Ichikawa, JP11991