Inventor

NAGIRA TAKASHI

JP7 patents

Patents

7 patents

US11398713B2Jul 26, 2022

Electro-absorption modulator, optical semiconductor device and optical module

MITSUBISHI ELECTRIC CORP2 citations70

US12535713B2Jan 27, 2026

Optical semiconductor device and optical control apparatus

MITSUBISHI ELECTRIC CORP0 citations49

US11552451B2Jan 10, 2023

Semiconductor laser device

MITSUBISHI ELECTRIC CORP0 citations48

US7816160B2Oct 19, 2010

Manufacturing method for semiconductor device

MITSUBISHI ELECTRIC CORP0 citations48

US7550304B2Jun 23, 2009

Method for manufacturing semiconductor laser element

MITSUBISHI ELECTRIC CORP0 citations48

US7544535B2Jun 9, 2009

Method for manufacturing semiconductor laser element

MITSUBISHI ELECTRIC CORP0 citations48

US9153942B2Oct 6, 2015

Method of manufacturing semiconductor device

MITSUBISHI ELECTRIC CORP0 citations37