Inventor

Tsutomu Yoshida

Inventor

Tokyo, JP

Overview

40→

Patents

1980–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 40 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification8%

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. inserts5%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

A61KPreparations for medical, dental or toiletry purposes4%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%

F16JPistons4%

B29CShaping or joining of plastics3%

B44CProducing decorative effects3%

PatentTitleYear

10,793,666Polyisocyanate composition, polyurethane resin and two-component curable polyurethane composition2020 10,598,174Air compressor2020 9,873,676Isocyanurate composition2018 9,725,422'Isocyanurate composition'2017 9,611,940'Gate valve'2017 9,528,506'Air compressor'2016 8,911,805'Calcium preparation and method of production thereof'2014 8,888,106'Seal plate, seal member that is used in seal plate, and method for manufacturing the same'2014 8,485,534'Metal gasket'2013 8,314,204'Endless tubular polyimide film'2012 8,250,966'Method of manufacturing bellows'2012 8,097,693'Endless tubular polyimide film'2012 7,556,727'Kerosene composition'2009 7,483,214'Lens array sheet, transparent screen, and rear-projection display'2009 7,306,237'Sealing material for ant groove'2007 7,268,209'Peptides, derivates thereof, process for producing the same, novel strain producing the same, and antiviral agent comprising the same as active ingredient'2007 7,190,517'Light diffusing substrate, transmission screen, and display device'2007 7,122,697'Method for producing carbamates and method for producing isocyanates'2006 7,054,068'Lens array sheet and transmission screen and rear projection type display'2006 6,984,046'Light diffusing substrate, transmission screen, and display device'2006 6,403,538'Grease composition for constant velocity joints'2002 6,307,675'Rear-projection screen for use with a liquid crystal panel as a video source'2001 6,303,054'Electrically-semiconductive poly(amic acid) liquid compositions and their use'2001 6,258,760'Grease composition for constant velocity joint'2001 6,126,730'Coating composition and resin-coated metal sheets'2000 6,103,342'Decorated shaped product having source expression applied thereto, method for manufacturing same and shaped base material therefor'2000 5,925,452'Decorated shaped product having source expression applied thereto, method for manufacturing same and shaped base material therefor'1999 5,916,502'Decorated shaped product having source expression applied thereto, method for manufacturing same and shaped base material therefor'1999 5,779,947'Method of casting castable refractories of vessel for molten metal'1998 5,618,634'Composite zinc- or zinc alloy-electroplated metal sheet and method for the production thereof'1997 5,389,412'Thermoplastic polyimide tubular film'1995 5,279,336'Wire binder'1994 5,160,479'Molten metal stirring device'1992 5,148,309'Reflective type screen'1992 4,963,157'Method for bleaching cellulosic fiber material with hydrogen peroxide'1990 4,526,866'Angiotensin I-converting enzyme inhibitor and preparation of the same'1985 4,463,091'Method of producing amylase inhibitor AI-B'1984 4,401,295'Apparatus for treating molten metal'1983 4,390,740'Process for preparing fluorobenzene'1983 4,183,917'Emulsion-type hair conditioner composition'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2009Patents assigned to TOPPAN PRINTING CO LTD (6)· patent assignee history

1994–2020Based in Tokyo, JP· patent location history

1995–2012Patents assigned to GUNZE KK (4)· patent assignee history

1999–2000Patents assigned to CUBIC CO LTD (3)· patent assignee history

1999–2000Based in Tachikawa, JP· patent location history

2007–2017Patents assigned to NIHON VALQUA KOGYO KK (5)· patent assignee history

2007–2017Based in Gojo, JP· patent location history

2012–2016Patents assigned to YOSHIDA TSUTOMU (7)· patent assignee history

2012Based in Moriyama, JP· patent location history

2017–2020Based in Chigasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
YOSHIDA TSUTOMUself	7	2012–2016
TOPPAN PRINTING CO LTD	6	1992–2009
NIHON VALQUA KOGYO KK	5	2007–2017
GUNZE KK	4	1995–2012
CUBIC CO LTD	3	1999–2000

Locations

Location	Patents	Span
Tokyo, JP	13	1994–2020
Chigasaki, JP	3	2017–2020
Gojo, JP	3	2007–2017
Tachikawa, JP	3	1999–2000
Moriyama, JP	2	2012