Inventor

Hiroyuki Ikeuchi

Inventor
Himeji, JP

Overview

52→
Patents
1976–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 52 as inventor

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

C08Jprimary
C08JWorking-up15%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
A61LMethods or apparatus for sterilising materials or objects in general10%
C08LCompositions of macromolecular compounds10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
A61FFilters implantable into blood vessels5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
Y10TTechnical subjects covered by former us classification4%
B29BPreparation or pretreatment of the material to be shaped3%
PatentTitleYear
10,696,890Methods of liquefying and shrinking water-absorbable resins in a water-containing state202010,562,006Particulate water absorbing agent202010,525,445Particulate water absorbing agent and water absorbent article202010,434,495Method for producing water absorbent polyacrylic acid (salt) resin powder, and water absorbent polyacrylic acid (salt) resin powder201910,363,544Particulate water-absorbing agent201910,363,339Water absorbent agent composition and method for producing same, as well as storage and stocking method for same201910,196,500Particulate water absorbing agent and process for producing same201910,189,009Particulate water absorbing agent and method for manufacturing same20199,974,882Dust reducer consisting of multi-component metal compound, water absorbing agent containing multi-component metal compound, and method for producing the same20189,593,212'Method for producing water absorbent resin particle'20179,517,289'Water-absorbing agent and method for producing the same'20169,447,203'Method for producing water absorbent polyacrylic acid (salt) resin powder, and water absorbent polyacrylic acid (salt) resin powder'20169,352,498'Method of manufacturing polyimide film and tenter apparatus'20169,309,375'Water-absorbing agent having water-absorbent resin as a main component and production method of the water-absorbing agent'20169,199,409'Stretching apparatus and method of manufacturing polyimide film using the same'20159,187,579'Particle-shaped water absorbing agent and method for producing the same'20159,115,235'Water absorbing agent and production method thereof'20159,102,804'Production method for water-absorbing resin powder'20159,090,718'Water-absorbing resin and method for manufacturing the same'20159,012,356'Method for producing polyacrylic acid (salt)-based water absorbent resin'20159,006,134'Particulate water absorbing agent and manufacturing method of same'20158,822,373'Particulate water absorbing agent and production method thereof'20148,735,646'Diaper with improved body fit'20148,678,374'Medium feeding device and image forming apparatus'20148,647,528'Water absorbing agent and production method thereof'20148,513,378'Production method for water-absorbing resin powder'20138,302,959'Remaining sheet volume detecting apparatus and image forming apparatus'20128,252,715'Water-absorbing agent and production method thereof'20128,128,082'Sheet feeding device and image forming apparatus with lifting and air blowing units'20128,076,530'Absorbent article with water-absorbing agent or agents'20118,025,284'Remaining sheet volume detecting apparatus and image forming apparatus'20117,981,833'Aqueous-liquid-absorbing agent and its production process'20117,935,774'Particulate water-absorbent polymer and production method thereof'20117,879,923'Method for surface-treatment of water absorbent resin'20117,872,076'Particulate water-absorbent resin composition and its production process'20117,816,301'Aqueous-liquid-absorbing agent and its production process'20107,435,477'Particulate water absorbent containing water absorbent resin as a main component'20087,402,643'Water-absorbent resin having treated surface and process for producing the same'20087,312,278'Water-absorbing agent and production process therefor, and sanitary material'20077,238,758'Catalysts for polymerization or copolymerization of α-olefins, catalyst components thereof, and processes for polymerization of α-olefins with the catalysts'20076,809,158'Water-absorbing agent and process for producing the same'20046,677,405'Water-absorbing agent and process for producing the same'20046,562,879'Water-absorbent resin powder and its production process and use'20036,376,628'Process for polymerization of alpha-olefin and alpha-olefin polymer'20026,337,416'Preparation of (polycyclic secondary-amino)dialkoxysilane'20025,470,930'Process for producing polymer having hydroxyl group at both terminals'19955,391,665'Process for producing polymer having hydroxyl groups at both terminals'19955,391,664'Process for producing polymer'19954,989,955'Liquid crystal electro-optical element and process for preparation thereof'19914,939,003'Liquid crystal element'19904,041,206'Laminated polyester film'19773,936,421'Process of preparing polytetramethylene terephthalate'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2020Patents assigned to NIPPON CATALYTIC CHEM IND (35)· patent assignee history
1995Based in Osaka, JP· patent location history
2003–2020Based in Himeji, JP· patent location history
2010–2018Based in Hyogo, JP· patent location history
2011–2017Patents assigned to IKEUCHI HIROYUKI (20)· patent assignee history
2011–2017Patents assigned to MACHIDA SAYAKA (11)· patent assignee history
2011–2017Patents assigned to SAKAMOTO SHIGERU (9)· patent assignee history
2011–2012Based in Kanagawa, JP· patent location history
2012–2016Patents assigned to TORII KAZUSHI (7)· patent assignee history
2015–2016Based in Ube, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON CATALYTIC CHEM IND351995–2020
IKEUCHI HIROYUKIself202011–2017
MACHIDA SAYAKA112011–2017
SAKAMOTO SHIGERU92011–2017
TORII KAZUSHI72012–2016
Locations
LocationPatentsSpan
Himeji, JP282003–2020
Hyogo, JP82010–2018
Kanagawa, JP32011–2012
Osaka, JP31995
Ube, JP22015–2016