Inventor

Katsuyuki Wada

Inventor

Himeji, JP

Overview

1995–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 53 as inventor

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

A61Lprimary

A61LMethods or apparatus for sterilising materials or objects in general23%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%

C08JWorking-up13%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%

A61FFilters implantable into blood vessels10%

C08LCompositions of macromolecular compounds8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%

Y10TTechnical subjects covered by former us classification7%

G01NInvestigating or analysing materials by determining their chemical or physical properties2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

10,525,445Particulate water absorbing agent and water absorbent article2020 10,363,339Water absorbent agent composition and method for producing same, as well as storage and stocking method for same2019 10,196,500Particulate water absorbing agent and process for producing same2019 10,189,009Particulate water absorbing agent and method for manufacturing same2019 9,976,001Process for producing water-absorbing resin powder2018 9,796,853'Water-absorbent resin composition and method for producing thereof, and absorbent material and absorbent product using thereof'2017 9,775,927'Particulate water absorbent and process for production thereof'2017 9,669,386'Particulate water-absorbing agent and production method for the same'2017 9,308,290'Water-absorbing agent, manufacture method thereof, and absorbent and absorbent article made therefrom'2016 9,180,220'Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent'2015 9,138,505'Polyacrylic acid (salt)-type water absorbent resin and method for producing of same'2015 9,115,235'Water absorbing agent and production method thereof'2015 9,044,525'Polyacrylic acid (salt)-based water absorbent resin powder and method for producing the same'2015 8,952,116'Particulate water absorbent and process for production thereof'2015 D0707739'Motor actuator'2014 D0706325'Motor actuator'2014 8,729,191'Production process of polyacrylic acid (salt) water-absorbent resin'2014 8,729,190'Particular water-absorbent agent having water-absorbent resin as main component'2014 8,487,048'Water-absorbent resin and its production process'2013 8,198,209'Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent'2012 8,182,916'Particulate water absorbing agent comprising crosslinked absorbent resin and having low residual monomer, water absorbing article and method for production of water absorbing agent'2012 8,026,294'Water absorbent resin composition and method for producing the same'2011 7,960,469'Water absorbent resin composition and production method thereof'2011 7,825,169'Water-absorbent composition, process for production thereof, absorbent and absorbing product'2010 7,745,537'Particulate water absorbing agent, water-absorbent core and absorbing article'2010 7,595,428'Water-absorbing agent composition and method for production thereof, absorptive article and absorbing material'2009 7,582,705'Particulate water absorbent agent and production method thereof, and water absorbent article'2009 7,510,988'Particulate water-absorbing agent containing water-absorbent resin as a main component'2009 7,473,470'Particulate water absorbing agent with irregularly pulverized shape'2009 7,473,739'Particulate water absorbent agent and production method thereof, and water absorbent article'2009 7,435,477'Particulate water absorbent containing water absorbent resin as a main component'2008 7,420,018'Water-absorbing agent production process with surface crosslinking and ion blocking'2008 7,312,278'Water-absorbing agent and production process therefor, and sanitary material'2007 7,196,139'Water-absorbent resin composition'2007 7,183,456'Water-absorbent resin and production process therefor'2007 6,964,998'Water-absorbing agent and its production process and use'2005 6,720,389'Water-absorbent resin and production process therefor'2004 RE038444'Absorbing agent, process of manufacturing same, and absorbent product containing same'2004 6,617,489'Absorbent, absorbing product based thereon, and water-absorbing resin'2003 6,599,989'Water-absorbent agents containing polycarboxylic amine chelating agents'2003 6,586,549'Water-absorbing composition and its use'2003 6,476,155'Method of producing a hydrophilic resin'2002 6,469,080'Water-absorbent resin composition'2002 6,180,724'Process for manufacturing an absorbing agent and absorbent material'2001 6,150,582'Absorbent article and production process therefor'2000 6,127,454'Water-absorbing agent and production process therefor'2000 6,110,992'Water-absorbing agent and production process therefor'2000 6,054,541'Process of manufacturing precursor of an absorbing agent'2000 5,797,893'Absorbing agent composition, absorbent material, and absorbent product containing absorbent material'1998 5,760,080'Absorbing agent, process of manufacturing same, and absorbent product containing same'1998 5,750,582'Liquid absorbable material and method for production thereof'1998 5,559,160'Liquid absorbable material and method for production thereof'1996 5,382,610'Water absorbent matter and method for producing it as well as water absorbent and method for producing it'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2020Patents assigned to NIPPON CATALYTIC CHEM IND (50)· patent assignee history

1995Based in Osaka, JP· patent location history

1996–2017Based in Hyogo, JP· patent location history

1998–2020Based in Himeji, JP· patent location history

2012–2018Patents assigned to WADA KATSUYUKI (14)· patent assignee history

2012–2018Patents assigned to ISHIZAKI KUNIHIKO (7)· patent assignee history

2012–2017Patents assigned to NAKASHIMA YASUHISA (5)· patent assignee history

2012–2015Patents assigned to KIMURA KAZUKI (4)· patent assignee history

2014Based in Kosai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON CATALYTIC CHEM IND	50	1995–2020
WADA KATSUYUKIself	14	2012–2018
ISHIZAKI KUNIHIKO	7	2012–2018
NAKASHIMA YASUHISA	5	2012–2017
KIMURA KAZUKI	4	2012–2015

Locations

Location	Patents	Span
Himeji, JP	41	1998–2020
Hyogo, JP	9	1996–2017
Kosai, JP	2	2014
Osaka, JP	1	1995