SOYAMA; Toshihiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for SOYAMA; Toshihiko.The latest application filed is for "air purification filter and method of producing the same".

Company Profile

2.11.18

SOYAMA; Toshihiko - Nagaoka-shi Niigata
Soyama; Toshihiko - Niigata JP
Soyama; Toshihiko - Nagaoka JP
Soyama, Toshihiko - Nagaoka-city JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Air Purification Filter And Method Of Producing The Same App 20220062483 - NARIYUKI; Akane ; et al.	2022-03-03
Porous Body And Process For Manufacturing Same App 20200246758 - Kind Code	2020-08-06
Method for producing a wet-laid nonwoven fabric Grant 10,443,167 - Soyama , et al. Oc	2019-10-15
Nonwoven fabric for semipermeable membrane support Grant 9,889,411 - Soyama , et al. February 13, 2	2018-02-13
Filter material for air filter, method for manufacturing same, and air filter provided with same Grant 9,656,196 - Sato , et al. May 23, 2	2017-05-23
Method For Producing A Wet-laid Nonwoven Fabric App 20160355961 - Soyama; Toshihiko ; et al.	2016-12-08
Porous cellulose body and method for producing same Grant 9,328,211 - Nemoto , et al. May 3, 2	2016-05-03
Filter Material For Air Filter, Method For Manufacturing Same, And Air Filter Provided With Same App 20160051920 - SATO; Masashi ; et al.	2016-02-25
Nonwoven Fabric For Semipermeable Membrane Support App 20150174535 - Soyama; Toshihiko ; et al.	2015-06-25
Porous Cellulose Body And Method For Producing Same App 20150093560 - Nemoto; Junji ; et al.	2015-04-02
Porous Body And Process For Manufacturing Same App 20150075406 - Nemoto; Junji ; et al.	2015-03-19
Air filter medium Grant 8,951,324 - Soyama , et al. February 10, 2	2015-02-10
Nonwoven Fabric For Semipermeable Membrane Supporting Body And Method For Manufacturing Same App 20150004865 - Soyama; Toshihiko ; et al.	2015-01-01
Non-woven Fabric For Semipermeable Membrane Support App 20140342626 - Soyama; Toshihiko ; et al.	2014-11-20
Filter medium for liquid filtration and process for producing the same Grant 8,662,316 - Sakadume , et al. March 4, 2	2014-03-04
Wet-laid Nonwoven Fabric For Semipermeable Membrane Supporting Body, Method For Producing Said Wet-laid Nonwoven Fabric, And Method For Identifying Low-density Defect Of Wet-laid Nonwoven Fabric App 20130267142 - Soyama; Toshihiko ; et al.	2013-10-10
Low-basis-weight Filter Media For Air Filters App 20120031063 - Soyama; Toshihiko ; et al.	2012-02-09
Air Filter Medium App 20110283671 - SOYAMA; Toshihiko ; et al.	2011-11-24
Air filter medium App 20090320428 - Soyama; Toshihiko ; et al.	2009-12-31
Filter material take-up product for air filter Grant 7,547,339 - Soyama , et al. June 16, 2	2009-06-16
Air purifying filter media and process for producing the same Grant 7,520,912 - Sakadume , et al. April 21, 2	2009-04-21
Filter Medium For Liquid Filtration And Process For Producing The Same App 20090039013 - Sakadume; Nobuyuki ; et al.	2009-02-12
Air purification filter and process for producing the same App 20060117958 - Sakadume; Nobuyuki ; et al.	2006-06-08
Filter medium for air filter and method for its production Grant 6,939,386 - Sato , et al. September 6, 2	2005-09-06
Filter material take-up product for air filter App 20040025479 - Soyama, Toshihiko ; et al.	2004-02-12
Filter medium for air filter and method for its production App 20030145569 - Sato, Masashi ; et al.	2003-08-07

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