Katsunori Shirai

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Patents Grantslast 30 patents

Information Patent Grant
Identification component, writing instrument, and handwriting input...
- Patent number 10,901,534
- Issue date Jan 26, 2021
- SHARP KABUSHIKI KAISHA
- Katsunori Shirai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Handwriting input system, board, and identification component
- Patent number 10,754,453
- Issue date Aug 25, 2020
- SHARP KABUSHIKI KAISHA
- Katsunori Shirai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Writing input device
- Patent number 10,698,553
- Issue date Jun 30, 2020
- SHARP KABUSHIKI KAISHA
- Hiroki Yoshino
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Illumination device and display device
- Patent number 9,046,255
- Issue date Jun 2, 2015
- Sharp Kabushiki Kaisha
- Katsunori Shirai
- F21 - LIGHTING
Information Patent Grant
Display device and scanning circuit testing method
- Patent number 7,525,530
- Issue date Apr 28, 2009
- Sharp Kabushiki Kaisha
- Yutaka Takafuji
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device and scanning circuit testing method
- Patent number 6,909,304
- Issue date Jun 21, 2005
- Sharp Kabushiki Kaisha
- Yutaka Takafuji
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
WRITING INPUT DEVICE
- Publication number 20190302966
- Publication date Oct 3, 2019
- SHARP KABUSHIKI KAISHA
- HIROKI YOSHINO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IDENTIFICATION COMPONENT, WRITING INSTRUMENT, AND HANDWRITING INPUT...
- Publication number 20190265809
- Publication date Aug 29, 2019
- Sharp Kabushiki Kaisha
- KATSUNORI SHIRAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HANDWRITING INPUT SYSTEM, BOARD, AND IDENTIFICATION COMPONENT
- Publication number 20190033991
- Publication date Jan 31, 2019
- Sharp Kabushiki Kaisha
- KATSUNORI SHIRAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ILLUMINATION DEVICE AND DISPLAY DEVICE
- Publication number 20140085866
- Publication date Mar 27, 2014
- Sharp Kabushiki Kaisha
- Katsunori Shirai
- G02 - OPTICS
Information Patent Application
Display device and scanning circuit testing method
- Publication number 20050206606
- Publication date Sep 22, 2005
- Sharp Kabushiki Kaisha
- Yutaka Takafuji
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Display device and scanning circuit testing method
- Publication number 20030173991
- Publication date Sep 18, 2003
- Sharp Kabushiki Kaisha
- Yutaka Takafuji
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS