Inventor

YOKOYAMA SHIYOSHI

JP8 patents

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

NAT INST INF & COMM TECH

4 patents

US9977150B2May 22, 2018

Second-order nonlinear optical compound and nonlinear optical element comprising the same

NAT INST INF & COMM TECH2 citations71

US9488755B2Nov 8, 2016

Second-order nonlinear optical compound and nonlinear optical element comprising the same

NAT INST INF & COMM TECH2 citations61

US7205428B2Apr 17, 2007

Thioether derivatives, their method for production and use

NAT INST INF & COMM TECH1 citations59

US10754064B2Aug 25, 2020

Second-order nonlinear optical compound and nonlinear optical element comprising the same

NAT INST INF & COMM TECH0 citations50

UNIV KYUSHU

1 patent

US11061297B2Jul 13, 2021

Nonlinear optically active copolymer into which alicyclic group has been introduced

UNIV KYUSHU3 citations71

OTOMO AKIRA

1 patent

US8846955B2Sep 30, 2014

Second-order nonlinear optical compound and nonlinear optical element comprising the same

OTOMO AKIRA2 citations55

COMM RES LAB INDEPENDENT ADMIN

1 patent

US6630578B2Oct 7, 2003

Thioether derivatives, their method for production and use

COMM RES LAB INDEPENDENT ADMIN0 citations48

YOKOYAMA SHIYOSHI

1 patent

US9594189B2Mar 14, 2017

High refractive index cladding material and electro-optical polymer optical waveguide

YOKOYAMA SHIYOSHI1 citations44