Masahiro Kuroiwa

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Nagano city, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cell gap adjusting device, pressurizing seal device and liquid crys...
- Patent number 6,914,661
- Issue date Jul 5, 2005
- Seiko Epson Corporation
- Kenji Masuda
- G02 - OPTICS
Information Patent Grant
Optical element including an absorptive and reflective polarizer ha...
- Patent number 6,747,716
- Issue date Jun 8, 2004
- Seiko Epson Corporation
- Masahiro Kuroiwa
- G02 - OPTICS
Information Patent Grant
Method of evaluating liquid crystal panel and evaluating device
- Patent number 6,724,215
- Issue date Apr 20, 2004
- Seiko Epson Corporation
- Masahiro Kuroiwa
- G02 - OPTICS
Information Patent Grant
Cell thickness detection method, cell thickness control system, and...
- Patent number 6,618,156
- Issue date Sep 9, 2003
- Seiko Epson Corporation
- Masahiro Kuroiwa
- G01 - MEASURING TESTING
Information Patent Grant
Liquid crystal device and electronic apparatus using the same
- Patent number 6,400,432
- Issue date Jun 4, 2002
- Seiko Epson Corporation
- Masahiro Kuroiwa
- G02 - OPTICS
Information Patent Grant
Liquid crystal device and electronic apparatus using the same havin...
- Patent number 6,317,180
- Issue date Nov 13, 2001
- Seiko Epson Corporation
- Masahiro Kuroiwa
- G02 - OPTICS
Information Patent Grant
Liquid crystal element and electronic apparatus
- Patent number 5,453,864
- Issue date Sep 26, 1995
- Seiko Epson Corporation
- Shuhei Yamada
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Liquid crystal device and electronic apparatus using the same
- Publication number 20020089622
- Publication date Jul 11, 2002
- SEIKO EPSON CORPORATION
- Masahiro Kuroiwa
- G02 - OPTICS
Information Patent Application
Method of evaluating liquid crystal panel and evaluating device
- Publication number 20020080307
- Publication date Jun 27, 2002
- Masahiro Kuroiwa
- G02 - OPTICS
Information Patent Application
Cell thickness detection method, cell thickness control system, and...
- Publication number 20020044283
- Publication date Apr 18, 2002
- Masahiro Kuroiwa
- G01 - MEASURING TESTING
Information Patent Application
Cell gap adjusting device, pressurizing seal device and liquid crys...
- Publication number 20020044253
- Publication date Apr 18, 2002
- Kenji Masuda
- G02 - OPTICS
Information Patent Application
Liquid crystal device and electronic apparatus using the same
- Publication number 20010035928
- Publication date Nov 1, 2001
- SEIKO EPSON CORPORATION
- Masahiro Kuroiwa
- G02 - OPTICS