II; Hirofumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for II; Hirofumi.The latest application filed is for "method and apparatus for producing alkyl nitrite".

Company Profile

2.7.13

II; Hirofumi - Ube-shi JP
Ii; Hirofumi - Ube JP
Ii; Hirofumi - Yamaguchi 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
Method And Apparatus For Producing Alkyl Nitrite App 20200048184 - II; Hirofumi ; et al.	2020-02-13
Carbonate ester purification method, carbonate ester solution production method, and carbonate ester purification apparatus Grant 10,351,507 - Ii , et al. July 16, 2	2019-07-16
Carbonate Ester Purification Method, Carbonate Ester Solution Production Method, And Carbonate Ester Purification Apparatus App 20170355659 - II; Hirofumi ; et al.	2017-12-14
Carbonate Ester Purification Method, Carbonate Ester Solution Production Method, And Carbonate Ester Purification Apparatus App 20170342017 - II; Hirofumi ; et al.	2017-11-30
Ester Production Method And Ester Production Device App 20170158603 - II; Hirofumi ; et al.	2017-06-08
Infrared Gas Analysis Device, And Method For Using Same App 20170160191 - II; Hirofumi ; et al.	2017-06-08
Method of manufacturing diethyl carbonate Grant 9,656,942 - Ii , et al. May 23, 2	2017-05-23
Process for preparing diaryl oxalate Grant 9,174,918 - Tanaka , et al. November 3, 2	2015-11-03
Method Of Manufacturing Diethyl Carbonate App 20150291504 - Ii; Hirofumi ; et al.	2015-10-15
Method For Producing Nitrous Acid Ester, And Method For Producing Dialkyl Oxalate And Dialkyl Carbonate App 20150065742 - Tanaka; Syuji ; et al.	2015-03-05
Production process of 1,6-hexanediol Grant 8,304,585 - Ii , et al. November 6, 2	2012-11-06
High Purity 1,6-hexanediol And Process For Preparing The Same App 20110201848 - Ii; Hirofumi ; et al.	2011-08-18
Process For Preparing 1,5-pentanediol And/or 1,6-hexanediol App 20100137625 - II; Hirofumi	2010-06-03
Process for producing alkyl nitrite Grant 7,714,160 - Sugise , et al. May 11, 2	2010-05-11
Production Process of 1,6-Hexanediol App 20090048471 - Ii; Hirofumi ; et al.	2009-02-19
Process for producing alkyl nitrite App 20050038282 - Sugise, Ryoji ; et al.	2005-02-17
Process for producing alkyl nitrite Grant 6,844,464 - Sugise , et al. January 18, 2	2005-01-18
Process for producing alkyl nitrite App 20030176724 - Sugise, Ryoji ; et al.	2003-09-18
Diaryl carbonate product and production of polycarbonate App 20020019512 - Sugise, Ryoji ; et al.	2002-02-14

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