Inventor

Yasufumi Otsubo

Inventor

Chiba, JP

Overview

13→

Patents

1994–2003

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 13 as inventor

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

C10Mprimary

C10MLubricating compositions20%

F15BSystems acting by means of fluids in general15%

H02NElectric machines not otherwise provided for15%

F15CFluid-circuit elements predominantly used for computing or control purposes8%

F16KValves8%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%

H01JElectric discharge tubes or discharge lamps8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

Y10TTechnical subjects covered by former us classification8%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%

PatentTitleYear

6,530,217'Micromotors, linear motors and microactuators for controlling flow properties of fluids'2003 6,495,071'Method of using electro-sensitive movable fluids'2002 6,455,955'Electro-sensitive working medium and method of using the medium'2002 6,260,579'Micropump and method of using a micropump for moving an electro-sensitive fluid'2001 6,116,257'Micromotors, linear motors, micropumps, methods of using the same, microactuators, methods of controlling flow properties of fluids, and apparatuses for controlling flow properties of fluids'2000 6,030,544'Electro-sensitive movable fluids, methods of using the same and motors for the electro-sensitive movable fluids'2000 5,736,064'Electrorheological fluid composition containing inorganic/organic composite particles'1998 5,705,969'Actuator'1998 5,695,678'Electrorheological fluid composition containing inorganic/organic composite particles'1997 5,672,298'Electro-sensitive composition'1997 5,510,058'Electro-sensitive composition'1996 5,374,367'Electro-sensitive composition'1994 5,294,426'Electrorheological fluid compositions'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1998Patents assigned to FUJIKURA KASEI KK (6)· patent assignee history

1994Patents assigned to COLLOID RESEARCH INST (1)· patent assignee history

1994–2003Based in Chiba, JP· patent location history

2000Patents assigned to NEW TECHNOLOGY MANAGEMENT CO L (2)· patent assignee history

2001–2003Patents assigned to NEW TECHNOLOGY MAN CO LTD (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJIKURA KASEI KK	6	1994–1998
NEW TECHNOLOGY MAN CO LTD	4	2001–2003
NEW TECHNOLOGY MANAGEMENT CO L	2	2000
COLLOID RESEARCH INST	1	1994

Locations

Location	Patents	Span
Chiba, JP	13	1994–2003