Yuji Shibutani

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Placing member
- Patent number 12,070,835
- Issue date Aug 27, 2024
- Seikoh Giken Co., Ltd.
- Yuji Shibutani
- B24 - GRINDING POLISHING
Information Patent Grant
End face polishing device for optical fiber ferrule
- Patent number 11,789,213
- Issue date Oct 17, 2023
- Seikoh Giken Co., Ltd.
- Atsushi Yamada
- B24 - GRINDING POLISHING
Information Patent Grant
Optical fiber ferrule polishing holder
- Patent number 11,571,784
- Issue date Feb 7, 2023
- Seikoh Giken Co., Ltd.
- Yuji Shibutani
- B24 - GRINDING POLISHING
Information Patent Grant
End face polishing device for optical fiber ferrule
- Patent number 11,474,305
- Issue date Oct 18, 2022
- Seikoh Giken Co., Ltd.
- Atsushi Yamada
- B24 - GRINDING POLISHING
Information Patent Grant
Optical fiber ferrule polishing jig and placing member
- Patent number 11,389,926
- Issue date Jul 19, 2022
- Seikoh Giken Co., Ltd.
- Yuji Shibutani
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER POLISHING HOLDER AND OPTICAL FIBER POLISHING MACHINE
- Publication number 20240408718
- Publication date Dec 12, 2024
- Seikoh Giken Co., Ltd.
- Naoki KONUMA
- B24 - GRINDING POLISHING
Information Patent Application
END FACE POLISHING DEVICE FOR OPTICAL FIBER FERRULE
- Publication number 20230039931
- Publication date Feb 9, 2023
- Seikoh Giken Co., Ltd.
- Atsushi YAMADA
- B24 - GRINDING POLISHING
Information Patent Application
PLACING MEMBER
- Publication number 20220347817
- Publication date Nov 3, 2022
- Seikoh Giken Co., Ltd.
- Yuji SHIBUTANI
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER FERRULE POLISHING HOLDER
- Publication number 20200306926
- Publication date Oct 1, 2020
- Seikoh Giken Co., Ltd.
- Yuji SHIBUTANI
- G02 - OPTICS
Information Patent Application
END FACE POLISHING DEVICE FOR OPTICAL FIBER FERRULE
- Publication number 20200142136
- Publication date May 7, 2020
- SEIKOH GIKEN CO., LTD.
- Atsushi YAMADA
- B24 - GRINDING POLISHING
Information Patent Application
OPTICAL FIBER FERRULE POLISHING JIG AND PLACING MEMBER
- Publication number 20190030681
- Publication date Jan 31, 2019
- SEIKOH GIKEN CO., LTD.
- Yuji SHIBUTANI
- B24 - GRINDING POLISHING
Information Patent Application
POLISHING HOLDER MOUNTING JIG AND OPTICAL FIBER FERRULE POLISHING H...
- Publication number 20180236626
- Publication date Aug 23, 2018
- Seikoh Giken Co., Ltd.
- Yuji SHIBUTANI
- B24 - GRINDING POLISHING
Information Patent Application
Mold for forming disc, method for manufacture same, and mold parts
- Publication number 20090074904
- Publication date Mar 19, 2009
- Yoshiyuki Goto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Mold For Molding Disk, Mirror-Surface Disk, And Molded Product
- Publication number 20070275115
- Publication date Nov 29, 2007
- Sumitomo Heavy Industries, Ltd.
- Yuichi Inada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Yuji Shibutani

Person

Patents Grantslast 30 patents

Placing member

End face polishing device for optical fiber ferrule

Optical fiber ferrule polishing holder

End face polishing device for optical fiber ferrule

Optical fiber ferrule polishing jig and placing member

Patents Applicationslast 30 patents

OPTICAL FIBER POLISHING HOLDER AND OPTICAL FIBER POLISHING MACHINE

END FACE POLISHING DEVICE FOR OPTICAL FIBER FERRULE

PLACING MEMBER

OPTICAL FIBER FERRULE POLISHING HOLDER

END FACE POLISHING DEVICE FOR OPTICAL FIBER FERRULE

OPTICAL FIBER FERRULE POLISHING JIG AND PLACING MEMBER

POLISHING HOLDER MOUNTING JIG AND OPTICAL FIBER FERRULE POLISHING H...

Mold for forming disc, method for manufacture same, and mold parts

Mold For Molding Disk, Mirror-Surface Disk, And Molded Product