Inventor

CHICHIBU SHIGEFUSA

JP9 patents

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

MITSUBISHI CHEM CORP

3 patents

US9976229B2May 22, 2018

Method for producing nitride single crystal

MITSUBISHI CHEM CORP2 citations66

US12571123B2Mar 10, 2026

Gallium nitride crystal, gallium nitride substrate, and method for producing gallium nitride substrate

MITSUBISHI CHEM CORP0 citations59

US10501865B2Dec 10, 2019

Method for producing nitride single crystal using nitrogen-containing solvent, mineralizer having fluorine atom, and raw material

MITSUBISHI CHEM CORP0 citations45

SOKO KAGAKU CO LTD

2 patents

US11217726B2Jan 4, 2022

Nitride semiconductor ultraviolet light-emitting element

SOKO KAGAKU CO LTD2 citations71

US10643849B2May 5, 2020

Manufacturing method of nitride semiconductor ultraviolet light emitting element, and nitride semiconductor ultraviolet light emitting element

SOKO KAGAKU CO LTD0 citations51

OTAKE HIROTAKA

1 patent

US8134180B2Mar 13, 2012

Nitride semiconductor device with a vertical channel and method for producing the nitride semiconductor device

OTAKE HIROTAKA12 citations80

NIHON MICRONICS KK

1 patent

US11245113B2Feb 8, 2022

Secondary battery

NIHON MICRONICS KK0 citations55

THE JAPAN STEELWORKS LTD

1 patent

US11746439B2Sep 5, 2023

Pressure container for crystal production

THE JAPAN STEELWORKS LTD0 citations46

CHICHIBU SHIGEFUSA

1 patent

US9045821B2Jun 2, 2015

Laminate, method for producing same, and functional element using same

CHICHIBU SHIGEFUSA1 citations37