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Inventor

Kazutaka Ishii

Inventor
Chiba, JP

Overview

2→
Patents
1994–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C01Gprimary
C01GCompounds containing metals not covered by subclasses c01d or c01f13%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds13%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%
C08LCompositions of macromolecular compounds13%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments13%
C30BSingle-crystal growth13%
H01FMagnets13%
H05KPrinted circuits13%
PatentTitleYear
11,014,826Ferrite particles, resin composition and resin film20215,356,441'Reactive dye composition and method for dyeing or printing fiber materials using the same'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to SUMITOMO CHEMICAL CO (1)· patent assignee history
1994Based in Toyonaka, JP· patent location history
2021Patents assigned to POWDERTECH CO LTD (1)· patent assignee history
2021Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
POWDERTECH CO LTD12021
SUMITOMO CHEMICAL CO11994
Locations
LocationPatentsSpan
Chiba, JP12021
Toyonaka, JP11994