Patent assignee · JP · COMPANY

PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION

68Patents
68Active
68Granted
55Portfolio score

Filing activity: Sep 16, 2013 → Mar 10, 2021 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US9348154B2 Optical resonator apparatus, optical transmitter and controlling method for optical resonator Physics 45 Active
US9519115B2 Optical circuit Physics 22 Active
US10488596B2 Optical fiber mounted photonic integrated circuit device Physics 11 Active
US9615152B2 Optical element and light receiving device Electricity 6 Active
US9678288B2 Optical circuit Physics 6 Active
US10088299B2 Optical measurement element for alignment in wafer-level testing and method for aligning an optical probe using the same Physics 6 Active
US10996539B2 Electro-optic modulator Physics 5 Active
US9335475B2 Method of manufacturing an optical device having a stepwise or tapered light input/output part Physics 4 Active
USD706733S1 Signal conversion device General 4 Active
US9541718B2 Photoelectric hybrid device and method for manufacturing same Physics 4 Active
US9537289B1 Modulated light source Electricity 4 Active
US9823418B2 Waveguide-type optical diffraction grating and optical wavelength filter Physics 4 Active
USD707193S1 Signal conversion device General 4 Active
US10274757B2 Electro-optic device Physics 3 Active
US9182647B2 Control method of optical element Physics 3 Active
US10146070B2 Optical modulator and method of manufacturing same Physics 3 Active
US11054675B2 Optical modulator and method for manufacturing the same Physics 3 Active
US9869815B2 Optical device having a stepwise or tapered light input/output part and manufacturing method therefor Physics 3 Active
USRE45712E1 Signal conversion device General 3 Active
US10491321B2 Optical transport apparatus, optical demultiplexer, and method of controlling optical demultiplexing Electricity 2 Active
US10151877B2 Optical circuit module, optical transceiver using the same, and semiconductor photonic device Physics 2 Active
US10088628B1 Optical waveguide element and receiving circuit Physics 2 Active
US9775245B2 Pad-array structure on substrate for mounting IC chip on substrate, and optical module having said pad-array structure Emerging Cross-Sectional Technologies 2 Active
US10025031B2 Grating structure, and manufacturing method of grating coupler provided therewith Physics 2 Active
US9829726B2 Electro-optical modulator Physics 2 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.