Tetsumi Sumiyoshi

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Koto-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Substrate manufacturing method including protrusion removing step
- Patent number 8,124,000
- Issue date Feb 28, 2012
- Cyber Laser Inc.
- Susumu Tsujikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Problem diagnosis method and problem repair method for laser device
- Patent number 7,689,369
- Issue date Mar 30, 2010
- Cyber Laser Inc.
- Akira Watanabe
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light generating device and laser device using said light generatin...
- Patent number 6,631,153
- Issue date Oct 7, 2003
- Cyber Laser Inc.
- Tetsumi Sumiyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser radiation device employing a fiber laser capable of emitting...
- Patent number 6,463,083
- Issue date Oct 8, 2002
- NEC Corporation
- Tetsumi Sumiyoshi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Laser oscillation method and device and laser scalpel
- Patent number 6,385,215
- Issue date May 7, 2002
- NEC Corporation
- Tetsumi Sumiyoshi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SUBSTRATE MANUFACTURING METHOD INCLUDING PROTRUSION REMOVING STEP,...
- Publication number 20100219542
- Publication date Sep 2, 2010
- CYBER LASER INC.
- Susumu Tsujikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD AND APPARATUS FOR MODIFYING INTEGRATED CIRCUIT BY LASER
- Publication number 20100009550
- Publication date Jan 14, 2010
- Cyber Laser, Inc.
- Susumu Tsujikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Problem diagnosis method and problem repair method for laser device
- Publication number 20060274794
- Publication date Dec 7, 2006
- Cyber Laser Inc.
- Akira Watanabe
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Laser device
- Publication number 20060050748
- Publication date Mar 9, 2006
- Cyber Laser, Inc.
- Tetsumi Sumiyoshi
- G02 - OPTICS
Information Patent Application
Light generating device and laser device using said light generatin...
- Publication number 20020009115
- Publication date Jan 24, 2002
- Cyber Laser Inc.
- Tetsumi Sumiyoshi
- G02 - OPTICS