SHIBUYA; Yoshiyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for SHIBUYA; Yoshiyuki.The latest application filed is for "air filter medium, filter pack, air filter unit, and method for producing the same".

Company Profile

6.18.23

SHIBUYA; Yoshiyuki - Osaka-shi JP
Shibuya; Yoshiyuki - Settsu JP
Shibuya; Yoshiyuki - Osaka JP
Shibuya; Yoshiyuki - Yuki JP
SHIBUYA; Yoshiyuki - Settsu-shi Osaka
SHIBUYA; Yoshiyuki - Yuki-shi Ibaraki

*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 Filter Medium, Filter Pack, Air Filter Unit, And Method For Producing The Same App 20220040614 - SHIBUYA; Yoshiyuki ; et al.	2022-02-10
Air Filter Medium, Filter Pack, And Air Filter Unit App 20210260516 - INUI; Kunihiko ; et al.	2021-08-26
Porous body, polymer electrolyte membrane, filter material for filter, and filter unit Grant 10,688,448 - Chaen , et al.	2020-06-23
Filter medium for air filter, filter pack, air filter unit and method for producing the filter medium for air filter Grant 10,537,836 - Sakano , et al. Ja	2020-01-21
Filter Medium For Air Filter, Filter Pack, Air Filter Unit And Method For Producing The Filter Medium For Air Filter App 20190344204 - SAKANO; Tatsumi ; et al.	2019-11-14
Filter medium for air filter, filter pack, air filter unit, and method for producing filter medium for air filter Grant 10,406,471 - Sakano , et al. Sept	2019-09-10
Filter Medium For Air Filter, Filter Pack, Air Filter Unit, And Method For Producing Filter Medium For Air Filter App 20190134552 - SAKANO; Tatsumi ; et al.	2019-05-09
Filtering medium for air filter, filter pack, air filter unit, and method for producing filtering medium for air filter Grant 10,265,654 - Shibuya , et al.	2019-04-23
Mixed powder and material for molding having PTFE as main component, and drawn porous body Grant 10,265,661 - Chaen , et al.	2019-04-23
Filter medium for air filter, filter pack, air filter unit, and method for producing filter medium for air filter Grant 10,226,730 - Sakano , et al.	2019-03-12
Mixed Powder And Material For Molding Having Ptfe As Main Component, And Drawn Porous Body App 20180065094 - CHAEN; Shinichi ; et al.	2018-03-08
Filter Medium For Air Filter, Filter Pack, Air Filter Unit, And Method For Producing Filter Medium For Air Filter App 20170348626 - SAKANO; Tatsumi ; et al.	2017-12-07
Composition having PTFE as main component, mixed powder, material for molding, filtering medium for filter, air filter unit, and a method for manufacturing a porous membrane Grant 9,707,504 - Chaen , et al. July 18, 2	2017-07-18
Filtering Medium For Air Filter, Filter Pack, Air Filter Unit, And Method For Producing Filtering Medium For Air Filter App 20170128876 - SHIBUYA; Yoshiyuki ; et al.	2017-05-11
Porous Body, Polymer Electrolyte Membrane, Filter Material For Filter, And Filter Unit App 20170001155 - CHAEN; Shinichi ; et al.	2017-01-05
Biaxially-stretched Porous Membrane App 20170002156 - CHAEN; Shinichi ; et al.	2017-01-05
Sheet, Electrode And Fuel Cell App 20150200402 - Yoshimoto; Hiroyuki ; et al.	2015-07-16
Filter medium equipped with porous film, method of manufacturing same, filter pack, and filter unit Grant 9,072,993 - Inui , et al. July 7, 2	2015-07-07
Composition Having Ptfe As Main Component, Mixed Powder, Material For Molding, Filtering Medium For Filter, Air Filter Unit, And A Method For Manufacturing A Porous Membrane App 20150082757 - Chaen; Shinichi ; et al.	2015-03-26
Polytetrafluoroethylene mixture Grant 8,937,132 - Sawada , et al. January 20, 2	2015-01-20
Method for Multi-Stage Expansion and Stretching of Film and Filter App 20140367325 - Choi; Kyung-Ju ; et al.	2014-12-18
Polytetrafluoroethylene mixture Grant 8,865,839 - Sawada , et al. October 21, 2	2014-10-21
Filter Medium For Air Filter, Air Filter Unit, And Method For Producing Filter Medium For Air Filter App 20140165517 - Hara; Satoshi ; et al.	2014-06-19
Polytetrafluoroethylene Mixture App 20130281558 - Sawada; Yasuhiko ; et al.	2013-10-24
Polytetrafluoroethylene Mixture App 20130267621 - Sawada; Yasuhiko ; et al.	2013-10-10
Filter Medium Equipped With Porous Film, Method Of Manufacturing Same, Filter Pack, And Filter Unit App 20130097982 - Inui; Kunihiko ; et al.	2013-04-25
Method for preparing filtering material Grant 7,387,700 - Tanaka , et al. June 17, 2	2008-06-17
Ventilation filter medium for container, and container and container cap equipped with ventilation filter medium Grant 7,097,682 - Tanaka , et al. August 29, 2	2006-08-29
Ventilation filter member for container, and container and container cap for container provided wit the ventilation filter member App 20040237802 - Tanaka, Osamu ; et al.	2004-12-02
Filtering material for filter, filter pack and air filter unit using the same, and method for preparing filtering material App 20040168417 - Tanaka, Osamu ; et al.	2004-09-02
Air filter medium, process of producing filter medium, air filter pack for air filters, and air filter unit for air filters Grant 6,682,576 - Kiyotani , et al. January 27, 2	2004-01-27
Air filter medium, air filter pack and air filter unit comprising the same, and method for producing air filter medium Grant 6,416,562 - Shibuya , et al. July 9, 2	2002-07-09
Filter medium and air filter unit using the same Grant 6,261,979 - Tanaka , et al. July 17, 2	2001-07-17

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