Inventor

Hisao Yamazaki

Inventor
Chiba, JP

Overview

5→
Patents
1977–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B22Dprimary
B22DCasting of metals25%
B23KSoldering or unsoldering13%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors13%
C02FTreatment of water, waste water, sewage, or sludge13%
C03BManufacture, shaping, or supplementary processes13%
G01RMeasuring electric variables13%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to NIPPON RISUI KAGAKU KENKYUSHO (1)· patent assignee history
1977Based in Machida, JP· patent location history
1994–1996Patents assigned to KAWASAKI STEEL CO (2)· patent assignee history
1994–1996Based in Chiba, JP· patent location history
2006Patents assigned to HITACHI DISPLAYS LTD (1)· patent assignee history
2006Based in Mobara, JP· patent location history
2021Patents assigned to NIDEC READ CORP (1)· patent assignee history
2021Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAWASAKI STEEL CO21994–1996
HITACHI DISPLAYS LTD12006
NIDEC READ CORP12021
NIPPON RISUI KAGAKU KENKYUSHO11977
Locations
LocationPatentsSpan
Chiba, JP21994–1996
Kyoto, JP12021
Mobara, JP12006
Machida, JP11977