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Inventor

Masaaki Ichiyama

Inventor
Iruma, JP

Overview

2→
Patents
1992–1996
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.

C04Bprimary
C04BLime, magnesia50%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds50%
PatentTitleYear
5,494,978'Modified polysilazane and process for preparation thereof'19965,145,812'Molded articles formed of silicon nitride based ceramic and process for producing same'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to TOA NENRYO KOGYO KK (1)· patent assignee history
1992Based in Kamifukuoka, JP· patent location history
1996Patents assigned to TONEN CORP (1)· patent assignee history
1996Based in Iruma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOA NENRYO KOGYO KK11992
TONEN CORP11996
Locations
LocationPatentsSpan
Iruma, JP11996
Kamifukuoka, JP11992