Inventor

Yukio Ishibashi

Inventor
Osaka, JP

Overview

11→
Patents
1986–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 11 as inventor

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

C07Dprimary
C07DHeterocyclic compounds39%
C07CAcyclic or carbocyclic compounds17%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
C22CAlloys6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y02PClimate change mitigation technologies in the production or processing of goods6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to DOWA MINING CO (1)· patent assignee history
1986Based in Akita, JP· patent location history
1989–2001Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (9)· patent assignee history
1989–1993Based in Osaka, JP· patent location history
1990Based in Suita, JP· patent location history
1992–2001Based in Toyonaka, JP· patent location history
2021Patents assigned to SHOW A DENKO K K (1)· patent assignee history
2021Patents assigned to SHOWA DENKO KK (1)· patent assignee history
2021Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAKEDA CHEMICAL INDUSTRIES LTD91989–2001
DOWA MINING CO11986
SHOW A DENKO K K12021
SHOWA DENKO KK12021
Locations
LocationPatentsSpan
Osaka, JP51989–1993
Toyonaka, JP31992–2001
Kawasaki, JP12021
Suita, JP11990
Akita, JP11986