NAKAYAMA; Keiji

Patent Applications and Registrations

Patent applications and USPTO patent grants for NAKAYAMA; Keiji.The latest application filed is for "method for producing a spirooxindole derivative".

Company Profile

1.11.12

NAKAYAMA; Keiji - Kanagawa JP
Nakayama; Keiji - Tokyo JP
Nakayama; Keiji - Edogawa-ku JP
Nakayama; Keiji - Chiba-ken JP
Nakayama; Keiji - Nara 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 For Producing A Spirooxindole Derivative App 20220259216 - YAMAUCHI; Motoshi ; et al.	2022-08-18
Method For Producing A Spirooxindole Derivative App 20210323970 - YAMAUCHI; Motoshi ; et al.	2021-10-21
Method for producing a spirooxindole derivative Grant 10,851,111 - Yamauchi , et al. December 1, 2	2020-12-01
Method For Producing A Spirooxindole Derivative App 20200172548 - YAMAUCHI; Motoshi ; et al.	2020-06-04
Method For Producing A Spirooxindole Derivative App 20180319808 - YAMAUCHI; Motoshi ; et al.	2018-11-08
Method for producing a spirooxindole derivative Grant 10,030,028 - Yamauchi , et al. July 24, 2	2018-07-24
Method For Producing Spirooxindole Derivative App 20170158703 - YAMAUCHI; Motoshi ; et al.	2017-06-08
Method For Producing Spirooxindole Derivative App 20160194331 - YAMAUCHI; Motoshi ; et al.	2016-07-07
Process for reductive dehalogenation Grant 7,199,260 - Tani , et al. April 3, 2	2007-04-03
Process for producing benzoxazine derivative and production intermediate thereof Grant 7,189,847 - Sato , et al. March 13, 2	2007-03-13
Process for producing benzoxazine derivative and production intermediate thereof Grant 7,087,778 - Sato , et al. August 8, 2	2006-08-08
Processes for preparation of bicyclic compounds and intermediates therefor Grant 7,074,837 - Nakayama , et al. July 11, 2	2006-07-11
Process for reductive dehaloganation App 20060052626 - Tani; Yuichiro ; et al.	2006-03-09
Process for producing benzoxazine derivative and production intermediate thereof App 20060014947 - Sato; Kouji ; et al.	2006-01-19
Processes for preparation of bicyclic compounds and intermediates therefor App 20050272797 - Nakayama, Keiji ; et al.	2005-12-08
Process for producing benzoxazine derivative and production intermediate thereof Grant 6,872,823 - Sato , et al. March 29, 2	2005-03-29
Process for producing benzoxazine derivative and production intermediate thereof App 20050027119 - Sato, Kouji ; et al.	2005-02-03
Method of and apparatus for measuring and evaluating material strength by detecting charged particles Grant 6,799,472 - Nakayama , et al. October 5, 2	2004-10-05
Processes for preparation of bicyclic compounds and intermediates therefor App 20040019223 - Nakayama, Keiji ; et al.	2004-01-29
Method of and apparatus for measuring and evaluating material strength by detecting charged particles App 20030140710 - Nakayama, Keiji ; et al.	2003-07-31
Photographic film package and method of making the same Grant 4,831,398 - Nakayama , et al. May 16, 1	1989-05-16
Circuit board connection Grant 4,639,062 - Taniguchi , et al. January 27, 1	1987-01-27
Liquid crystal material Grant 4,141,853 - Hibino , et al. February 27, 1	1979-02-27

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