Inventor

Kiyoshi Ikawa

Inventor
Niihama, JP

Overview

5→
Patents
1989–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds25%
B82YSpecific uses or applications of nanostructures13%
C01BNon-metallic elements13%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds13%
C04BLime, magnesia13%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to SUMITOMO NAUGATUCK (1)· patent assignee history
1989–2020Based in Niihama, JP· patent location history
1994Patents assigned to JAPAN INSULATION CO LTD (1)· patent assignee history
1994Based in Gifu, JP· patent location history
2020Patents assigned to NIPPON A&L INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN INSULATION CO LTD11994
NIPPON A&L INC12020
SUMITOMO NAUGATUCK11989
Locations
LocationPatentsSpan
Niihama, JP41989–2020
Gifu, JP11994