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Patent Assignment Assignor Details
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Assignor Name : YOKOYAMA, SHO
Total Assignments: 11
Assignment: 1
Reel/Frame:004168/0651   Pages: 1
Recorded: 08/23/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
YOKOYAMA, SHO
Exec Dt:
08/05/1983
Assignee
1
TACHIKAWA SPRING CO., LTD.
2-12, MATUBARA-CHO 3-CHOME
AKISHIMA-SHI, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4558901
NONE
06525819
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
8TH FLR.,
1801 K STREET, NW
WASHINGTON, DC 20006
Assignment: 2
Reel/Frame:004255/0768   Pages: 1
Recorded: 04/30/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
YOKOYAMA, SHO
Exec Dt:
04/01/1984
Assignee
1
TACHIKAWA SPRING CO.
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4568106
NONE
06605283
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
8TH FLR., 1801 K ST., N. W.
WASHINGTON, DC 20006
Assignment: 3
Reel/Frame:004815/0561   Pages: 1
Recorded: 12/30/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
YOKOYAMA, SHO
Exec Dt:
12/16/1987
Assignee
1
TACHI-S CO., LTD., 2-12, MATSUBARACHO 3-CHOME, AKISHIMA-SHI, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4875734
NONE
07139784
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
1801 K STREET, N.W., EIGHTH FLOOR
WASHINGTON, DC 20006
Assignment: 4
Reel/Frame:007213/0141   Pages: 2
Recorded: 11/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
YOKOYAMA, SHO
Exec Dt:
09/21/1994
Assignee
1
TACHI-S CO., LTD.
2-12, MATSUBARACHO 3-CHOME AKISHIMA-SHI
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5516198
NONE
08313806
Correspondence name and address
BROWDY AND NEIMARK
NORMAN J. LATKER
419 SEVENTH STREET, N.W., SUITE 300
WASHINGTON, D.C. 20004
Assignment: 5
Reel/Frame:051370/0628   Pages: 4
Recorded: 12/26/2019
Attorney Dkt #:Q252253
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YUKIMATSU, KOJI
Exec Dt:
12/23/2019
2
MACHIDA, HIROYUKI
Exec Dt:
12/23/2019
3
YOKOYAMA, SHO
Exec Dt:
12/23/2019
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200211591
16727455
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W. SUITE 900
WASHINGTON, DC 20006
Assignment: 6
Reel/Frame:051370/0696   Pages: 4
Recorded: 12/26/2019
Attorney Dkt #:Q252255
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YUKIMATSU, KOJI
Exec Dt:
12/23/2019
2
MACHIDA, HIROYUKI
Exec Dt:
12/23/2019
3
YOKOYAMA, SHO
Exec Dt:
12/23/2019
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200211594
16727476
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W. SUITE 900
WASHINGTON, DC 20006
Assignment: 7
Reel/Frame:051370/0945   Pages: 4
Recorded: 12/26/2019
Attorney Dkt #:Q252256
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YUKIMATSU, KOJI
Exec Dt:
12/24/2019
2
MACHIDA, HIROYUKI
Exec Dt:
12/24/2019
3
YOKOYAMA, SHO
Exec Dt:
12/24/2019
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200211595
16727549
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W.
SUITE 900
WASHINGTON, DC 20006
Assignment: 8
Reel/Frame:053886/0895   Pages: 4
Recorded: 09/25/2020
Attorney Dkt #:531401US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONO, TAKUYA
Exec Dt:
08/03/2020
2
YOKOYAMA, SHO
Exec Dt:
08/04/2020
3
SHIMO, ATSUNORI
Exec Dt:
08/06/2020
Assignee
1
IDEMITSU KOSAN CO.,LTD.
1-1, MARUNOUCHI 3-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210122991
17041760
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:054361/0932   Pages: 3
Recorded: 11/13/2020
Attorney Dkt #:531251US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONO, TAKUYA
Exec Dt:
07/10/2020
2
YOKOYAMA, SHO
Exec Dt:
08/04/2020
Assignee
1
IDEMITSU KOSAN CO.,LTD.
1-1, MARUNOUCHI 3-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11473030
US20210214637
17055367
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:060658/0209   Pages: 3
Recorded: 07/28/2022
Attorney Dkt #:221100
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ICHIKAWA, KAZUO
Exec Dt:
07/25/2022
2
YOKOYAMA, SHO
Exec Dt:
07/25/2022
3
TANAKA, YOSHIKI
Exec Dt:
07/25/2022
Assignee
1
CHUKYO MEDICAL CO., INC.
12-23, SANBONMATSU-CHO, ATSUTA-KU
NAGOYA-SHI, AICHI, JAPAN 456-0032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230053481
17875844
Correspondence name and address
AARON L. WEBB
OLIFF PLC
P.O. BOX 320850
ALEXANDRIA, VA 22320-4850
Assignment: 11
Reel/Frame:061183/0970   Pages: 2
Recorded: 09/22/2022
Attorney Dkt #:544322US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
YOKOYAMA, SHO
Exec Dt:
09/16/2022
Assignee
1
IDEMITSU KOSAN CO.,LTD.
2-1, OTEMACHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230174887
17907023
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

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