Naoki Hashizume

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical wavelength multiplexing and dividing device
- Patent number 6,415,072
- Issue date Jul 2, 2002
- The Furukawa Electric Co., Ltd.
- Naoki Hashizume
- G02 - OPTICS
Information Patent Grant
Optical multiplexer/demultiplexer
- Patent number 6,393,170
- Issue date May 21, 2002
- The Furukawa Electric Co., Ltd.
- Takeshi Nakajima
- G02 - OPTICS
Information Patent Grant
Array waveguide diffraction grating optical multiplexer/demultiplexer
- Patent number 6,195,481
- Issue date Feb 27, 2001
- The Furukawa Electric Co., Ltd.
- Takeshi Nakajima
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
COMPOUND SAFETY PREDICTION DEVICE, COMPOUND SAFETY PREDICTION PROGR...
- Publication number 20240428895
- Publication date Dec 26, 2024
- Resonac Corporation
- Takuya MINAMI