Inventor

Ryota Fujio

Inventor
Akigawa, JP

Overview

17→
Patents
1976–2000
Patent span
Chemistry
Primary field (CPC C)

Patents· 17 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds23%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%
C08CTreatment or chemical modification of rubbers9%
C08LCompositions of macromolecular compounds9%
B29DProducing particular articles from plastics or from substances in a plastic state5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
Y10TTechnical subjects covered by former us classification5%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1984Patents assigned to BRIDGESTONE TIRE CO LTD (3)· patent assignee history
1976Patents assigned to BRIDGESTONE FIRE COMPANY LIMIT (1)· patent assignee history
1976–1994Based in Akigawa, JP· patent location history
1988–2000Patents assigned to BRIDGESTONE CORP (13)· patent assignee history
1996–2000Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRIDGESTONE CORP131988–2000
BRIDGESTONE TIRE CO LTD31976–1984
BRIDGESTONE FIRE COMPANY LIMIT11976
Locations
LocationPatentsSpan
Akigawa, JP111976–1994
Tokyo, JP61996–2000