HIKARI KEISOKU GIJUTSU KAIHATS innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	Japan	73

#	Industry
#1	Optics
#2	Measurement
#3	Micro-structure and nano-technology
#4	Environmental technology

#	Technology
#1	Devices using light amplification
#2	Nonlinear optics
#3	Testing of structures
#4	Analysing materials
#5	Nanostructure applications
#6	Reduction of greenhouse gas emissions

Publication	Filing date	Title
JPH07244221A	1994-09-19	Optical waveguide element
JPH077172A	1992-03-30	Light receiving element
JPH06216106A	1992-03-17	Semiconductor device and its manufacture
JPH06208150A	1992-03-17	Manufacture of wavelength converting element
JPH05235466A	1992-02-19	Semiconductor distributed feedback type laser device
JPH05235465A	1992-02-19	Semiconductor distributed feedback type laser device
JPH05226633A	1992-02-18	Manufacture of semiconductor optical waveguide
JPH0667237A	1992-02-06	Second harmonic wave generating element and its production
JPH05218566A	1992-01-31	Distributed feedback semiconductor laser and manufacture thereof
JPH06109584A	1992-01-09	Optical fiber measuring apparatus
JPH05167180A	1991-12-17	Semiconductor distributed feedback laser device
JPH05173099A	1991-12-17	Optical control element
JPH05167179A	1991-12-17	Semiconductor distributed feedback type laser device
JPH05343789A	1991-12-12	Manufacture of distributed-feedback semiconductor laser and semiconductor element
JPH05160505A	1991-12-05	Semiconductor distributed feedback type laser device
JPH05129719A	1991-11-07	Semiconductor distributed feedback type laser device
JPH05121837A	1991-10-25	Semiconductor laser
JPH0593926A	1991-10-02	Nonlinear optical element and production thereof
JPH0593927A	1991-10-02	Nonlinear optical element and production thereof
JPH0588123A	1991-09-30	Variable wavelength filter