P

Inventor

YAMAMOTO RYOHEI

JP58 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO RYOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DISCO CORP

16 patents
US11469094B2Oct 11, 2022

Method of producing wafer

DISCO CORP2 citations73
US10828726B2Nov 10, 2020

SiC wafer producing method using ultrasonic wave

DISCO CORP6 citations73
US10755946B2Aug 25, 2020

Method for producing a wafer from a hexagonal single crystal ingot by applying a laser beam to form a first production history, an exfoliation layer, and a second production history

DISCO CORP6 citations73
US9975202B2May 22, 2018

Method of producing SiC wafer

DISCO CORP3 citations73
US11597039B2Mar 7, 2023

Wafer producing method and laser processing apparatus

DISCO CORP0 citations63
US11273522B2Mar 15, 2022

Wafer producing method and laser processing apparatus

DISCO CORP0 citations63
US11328945B2May 10, 2022

Wafer forming apparatus

DISCO CORP0 citations62
US11726040B2Aug 15, 2023

Detecting apparatus

DISCO CORP0 citations61
US12304110B2May 20, 2025

Peeling method and peeling apparatus

DISCO CORP0 citations56
US12491581B2Dec 9, 2025

Wafer producing method

DISCO CORP0 citations52
US12459059B2Nov 4, 2025

Laser processing apparatus

DISCO CORP0 citations52
US11446771B2Sep 20, 2022

Method for producing wafers using ultrasound

DISCO CORP0 citations52
US11114307B2Sep 7, 2021

Method of producing a wafer from an ingot including a peel-off detecting step

DISCO CORP0 citations52
US11945049B2Apr 2, 2024

SiC wafer manufacturing method and SiC wafer manufacturing apparatus

DISCO CORP0 citations49
US12296502B2May 13, 2025

Peeling apparatus

DISCO CORP0 citations47
US12577065B2Mar 17, 2026

Conveying apparatus and peeling apparatus

DISCO CORP0 citations46

FUMOTO GIKEN CO LTD

12 patents

CASIO COMPUTER CO LTD

7 patents

KURASHIKI BOSEKI KK

5 patents

SHOWA GLOVE CO

2 patents

TOYOTA MOTOR CO LTD

2 patents

CANON KK

1 patent

FUJIHANA TERUKAZU

1 patent

YAMAMOTO RYOHEI

1 patent

SOKEN INC

1 patent

TOKICO SYSTEM SOLUTIONS LTD

1 patent

DENSO CORP

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.