Hirozumi Fujiwara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Clip engagement portion
- Patent number D982074
- Issue date Mar 28, 2023
- KENKOUSYA LTD.
- Yuhei Imai
- D19 - Office supplies
Information Patent Grant
File
- Patent number D975777
- Issue date Jan 17, 2023
- KENKOUSYA LTD.
- Yuhei Imai
- D19 - Office supplies
Information Patent Grant
Binder
- Patent number 11,376,884
- Issue date Jul 5, 2022
- KENKOUSYA LTD.
- Yuhei Imai
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Clip
- Patent number 8,245,359
- Issue date Aug 21, 2012
- Tokyo Kinzoku Industry Co., Ltd.
- Shigeki Fujihara
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Clip fixing structure
- Patent number 7,100,247
- Issue date Sep 5, 2006
- Tokyo Kinzoku Industry Co., Ltd.
- Shigeki Fujihara
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Clip having a clip body and a pressing cover
- Patent number 5,539,963
- Issue date Jul 30, 1996
- Tokyo Kinzoku Industry Co., Ltd.
- Hirozumi Fujiwara
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

Information Patent Application
BINDER
- Publication number 20210323340
- Publication date Oct 21, 2021
- Kenkousya ltd.
- Yuhei IMAI
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
CLIP
- Publication number 20100037439
- Publication date Feb 18, 2010
- TOKYO KINZOKU INDUSTRY CO., LTD.
- Shigeki Fujihara
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Clip fixing structure
- Publication number 20040099777
- Publication date May 27, 2004
- TOKYO KINZOKU INDUSTRY CO., LTD.
- Shigeki Fujihara
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES