P

Inventor

HASHIMOTO TADAO

US71 patents
⚠️ This page may combine multiple inventors who share the name “HASHIMOTO TADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIXPOINT MAT INC

16 patents
US9790617B2Oct 17, 2017

Group III nitride bulk crystals and their fabrication method

SIXPOINT MAT INC6 citations84
US9441311B2Sep 13, 2016

Growth reactor for gallium-nitride crystals using ammonia and hydrogen chloride

SIXPOINT MAT INC7 citations84
US9543393B2Jan 10, 2017

Group III nitride wafer and its production method

SIXPOINT MAT INC5 citations83
US9518340B2Dec 13, 2016

Method of growing group III nitride crystals

SIXPOINT MAT INC9 citations83
US10024809B2Jul 17, 2018

Group III nitride wafers and fabrication method and testing method

SIXPOINT MAT INC2 citations73
US9822465B2Nov 21, 2017

Method of fabricating group III nitride with gradually degraded crystal structure

SIXPOINT MAT INC3 citations73
US9670594B2Jun 6, 2017

Group III nitride crystals, their fabrication method, and method of fabricating bulk group III nitride crystals in supercritical ammonia

SIXPOINT MAT INC2 citations73
US10287709B2May 14, 2019

Seed crystal for growth of gallium nitride bulk crystal in supercritical ammonia and fabrication method

SIXPOINT MAT INC3 citations71
US10242868B1Mar 26, 2019

Seed crystal for growth of gallium nitride bulk crystal in supercritical ammonia and fabrication method

SIXPOINT MAT INC3 citations71
US9909230B2Mar 6, 2018

Seed selection and growth methods for reduced-crack group III nitride bulk crystals

SIXPOINT MAT INC4 citations71
US11767609B2Sep 26, 2023

Low-dislocation bulk GaN crystal and method of fabricating same

SIXPOINT MAT INC0 citations63
US10141435B2Nov 27, 2018

Electronic device using group III nitride semiconductor and its fabrication method

SIXPOINT MAT INC1 citations63
US10134883B2Nov 20, 2018

Electronic device using group III nitride semiconductor and its fabrication method

SIXPOINT MAT INC1 citations63
US10134884B2Nov 20, 2018

Electronic device using group III nitride semiconductor and its fabrication method

SIXPOINT MAT INC1 citations63
US9685327B2Jun 20, 2017

Electronic device using group III nitride semiconductor and its fabrication method and an epitaxial multi-layer wafer for making it

SIXPOINT MAT INC1 citations63
US9466481B2Oct 11, 2016

Electronic device and epitaxial multilayer wafer of group III nitride semiconductor having specified dislocation density, oxygen/electron concentration, and active layer thickness

SIXPOINT MAT INC2 citations63

SIXPOINT MATERIALS INC

9 patents

HASHIMOTO TADAO

8 patents

NEC CORP

6 patents

MATSUSHITA ELECTRONICS CORP

2 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

2 patents

UNIV CALIFORNIA

2 patents

LETTS EDWARD

2 patents

FUJI ELECTRIC CO LTD

1 patent

NIPPON TELEGRAPH & TELEPHONE

1 patent

IZUME MASAYUKI

1 patent

Showing the top 50 of 71 patents by PatentIndex Score.