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Inventor

Iwao Katayama

Inventor
Takatsuki, JP

Overview

2→
Patents
1978–1994
Patent span
Textiles
Primary field (CPC D)

Patents· 2 as inventor

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

D01Hprimary
D01HSpinning or twisting50%
G01NInvestigating or analysing materials by determining their chemical or physical properties50%
PatentTitleYear
5,277,781'Zirconia oxygen sensor'19944,109,451'Method and device for removing impurities from a spinning rotor of an open-end spinning apparatus'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to TOYODA AUTOMATIC LOOM WORKS (1)· patent assignee history
1978Based in Chita, JP· patent location history
1994Patents assigned to NISSHIN STEEL CO LTD (1)· patent assignee history
1994Based in Takatsuki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NISSHIN STEEL CO LTD11994
TOYODA AUTOMATIC LOOM WORKS11978
Locations
LocationPatentsSpan
Takatsuki, JP11994
Chita, JP11978