Inventor

Shozo Tanaka

Inventor
Nara, JP

Overview

8→
Patents
1976–2004
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds29%
C07DHeterocyclic compounds14%
B01DSeparation7%
F02GHot gas or combustion-product positive-displacement engine plants7%
F15DFluid dynamics, i.e. methods or means for influencing the flow of gases or liquids7%
F24FAir-conditioning7%
F25BRefrigeration machines, plants or systems7%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to SHINETSU CHEMICAL CO (1)· patent assignee history
1976–1998Based in Osaka, JP· patent location history
1984–1998Patents assigned to SHIN ETSU VINYL ACETATE CO LTD (3)· patent assignee history
1987Patents assigned to SHINETSU VINYL ACETATE CO LTD (1)· patent assignee history
1997–2004Patents assigned to SHARP KK (3)· patent assignee history
1997–2004Based in Nara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK31997–2004
SHIN ETSU VINYL ACETATE CO LTD31984–1998
SHINETSU CHEMICAL CO11976
SHINETSU VINYL ACETATE CO LTD11987
Locations
LocationPatentsSpan
Nara, JP41997–2004
Osaka, JP41976–1998