Inventor

Mihoko Yamashita

Inventor

Tokyo, JP

Overview

9→

Patents

1988–2010

Patent span

Performing operations

Primary field (CPC B)

Patents· 9 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification17%

C04BLime, magnesia14%

B29BPreparation or pretreatment of the material to be shaped10%

B29CShaping or joining of plastics10%

D02GCrimping or curling fibres, filaments, threads, or yarns10%

D10BIndexing scheme associated with sublasses of section d, relating to textiles10%

F16DCouplings for transmitting rotation10%

F16FSprings7%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

PatentTitleYear

7,832,529'Friction member for frictional engagement device and method for producing the same'2010 7,692,133'Photoelectric conversion device including a switch between reference voltage and a signal processing circuit'2010 6,472,058'Fiber-composite material and method for producing the same'2002 5,975,270'Clutch disk of C/C composite for a wet friction clutch, and process for producing the same'1999 5,678,809'Spring members'1997 5,503,783'Process of making a spring member'1996 5,206,085'Preformed yarn useful for forming composite articles and process for producing same'1993 5,076,872'Process for preparing a flexible composite material'1991 4,770,915'Flexible composite material and process for preparing same'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1991Patents assigned to FUJI OIL CO LTD (2)· patent assignee history

1988–1991Patents assigned to FUJI STANDARD RES INC (2)· patent assignee history

1988Patents assigned to DAIDO STEEL CO LTD (1)· patent assignee history

1988–2002Based in Tokyo, JP· patent location history

1991–2010Patents assigned to ACROSS CO (6)· patent assignee history

1996–1997Based in Kawaguchi, JP· patent location history

1999–2010Patents assigned to HONDA MOTOR CO LTD (2)· patent assignee history

1999–2010Based in Saitama, JP· patent location history

2010Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ACROSS CO	6	1991–2010
FUJI OIL CO LTD	2	1988–1991
FUJI STANDARD RES INC	2	1988–1991
HONDA MOTOR CO LTD	2	1999–2010
DAIDO STEEL CO LTD	1	1988

Locations

Location	Patents	Span
Tokyo, JP	4	1988–2002
Saitama, JP	2	1999–2010
Kawaguchi, JP	2	1996–1997
Chiba, JP	1	2010