Inventor

KIYOTA KAZUAKI

JP19 patents

⚠️ This page may combine multiple inventors who share the name “KIYOTA KAZUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KIYOTA KAZUAKI

FURUKAWA ELECTRIC CO LTD

Semiconductor optical integrated device including a reduced thickness upper cladding layer in a ridge waveguide portion, and method of manufacturing the same

Two-dimensional photonic crystal surface-emitting laser

Semiconductor laser array, semiconductor laser element, semiconductor laser module, and wavelength-variable laser assembly

Optical integrated element and optical module

Photonic crystal optical device

Optical integrated device and method of manufacturing the same

Semiconductor laser device, diffraction grating structure, and diffraction grating

Semiconductor optical element, integrated semiconductor optical element, and semiconductor optical element module

Laser module

Semiconductor laser apparatus

Optical amplifier device

Semiconductor optical amplifier array device

Semiconductor optical integrated device having buried hetero structure waveguide and deep ridge waveguide

Wavelength-tunable laser and optical module

Optical functional device and laser device

Wavelength-tunable laser device

Semiconductor laser device

Optical semiconductor apparatus

KIMOTO TATSUYA

Semiconductor laser module