Toshio Kasai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Viscosity measurement unit and viscometer
- Patent number 11,474,015
- Issue date Oct 18, 2022
- ATAGO CO., LTD.
- Hideyuki Amamiya
- G01 - MEASURING TESTING
Information Patent Grant
Deterioration sensing device for light-emitting diode
- Patent number 6,350,978
- Issue date Feb 26, 2002
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Toshio Kasai
- G01 - MEASURING TESTING
Information Patent Grant
Optical scanning device
- Patent number 6,246,705
- Issue date Jun 12, 2001
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Toshio Kasai
- G02 - OPTICS
Information Patent Grant
Multi-beam scanning device
- Patent number 5,883,731
- Issue date Mar 16, 1999
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Toshio Kasai
- G02 - OPTICS
Information Patent Grant
Optical scanning system
- Patent number 5,543,955
- Issue date Aug 6, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Yamazaki
- G02 - OPTICS
Information Patent Grant
Laser beam emitting device with selective laser beam power output l...
- Patent number 5,408,483
- Issue date Apr 18, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Toshio Kasai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser driving circuit
- Patent number 5,309,463
- Issue date May 3, 1994
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Toshio Kasai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
VISCOSITY MEASUREMENT UNIT AND VISCOMETER
- Publication number 20210293684
- Publication date Sep 23, 2021
- Atago Co., Ltd.
- Hideyuki AMAMIYA
- G01 - MEASURING TESTING
Information Patent Application
Laser scanning device
- Publication number 20060049344
- Publication date Mar 9, 2006
- PENTAX CORPORATION
- Toshio Kasai
- G02 - OPTICS
Information Patent Application
Laser scanning device
- Publication number 20060045149
- Publication date Mar 2, 2006
- PENTAX CORPORATION
- Toshio Kasai
- G02 - OPTICS
Information Patent Application
Light emitting device
- Publication number 20050074046
- Publication date Apr 7, 2005
- PENTAX CORPORATION
- Toshio Kasai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Laser scanning device
- Publication number 20040223203
- Publication date Nov 11, 2004
- PENTAX CORPORATION
- Toshio Kasai
- G02 - OPTICS
Information Patent Application
Guide member and method for mounting light emitter to circuit board
- Publication number 20030103535
- Publication date Jun 5, 2003
- PENTAX CORPORATION
- Toshio Kasai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR