Inventor

Takao Murayama

Inventor
Tokyo, JP

Overview

8→
Patents
1977–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 8 as inventor

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

H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1016%
A61KPreparations for medical, dental or toiletry purposes8%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%
B01DSeparation8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors8%
C09JAdhesives8%
C12YEnzymes8%
G01RMeasuring electric variables8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1978Patents assigned to TAISEI CORP (2)· patent assignee history
1978Based in Yokoyama, JP· patent location history
2000–2001Patents assigned to ADVANTEST CORP (2)· patent assignee history
2000Based in Kumagaya, JP· patent location history
2001–2019Based in Tokyo, JP· patent location history
2008–2011Patents assigned to HITACHI PLANT TECHNOLOGIES LTD (2)· patent assignee history
2008Based in Nagareyama, JP· patent location history
2011Based in Chiba, JP· patent location history
2016–2019Patents assigned to SEIKAGAKU KOGYO CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ADVANTEST CORP22000–2001
HITACHI PLANT TECHNOLOGIES LTD22008–2011
SEIKAGAKU KOGYO CO LTD22016–2019
TAISEI CORP21977–1978
Locations
LocationPatentsSpan
Tokyo, JP32001–2019
Chiba, JP12011
Nagareyama, JP12008
Kumagaya, JP12000
Yokoyama, JP11978