P

Inventor

ISHIKAWA MASAKI

JP59 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK INSULATORS LTD

21 patents
US10232298B2Mar 19, 2019

Honeycomb structure

NGK INSULATORS LTD7 citations84
US9822681B2Nov 21, 2017

Plugged honeycomb structure and manufacturing method of the same

NGK INSULATORS LTD12 citations84
US10632409B2Apr 28, 2020

Honeycomb structure

NGK INSULATORS LTD4 citations73
US11715652B2Aug 1, 2023

Member for semiconductor manufacturing apparatus

NGK INSULATORS LTD3 citations71
US10421213B2Sep 24, 2019

Ceramic formed body extrusion method, ceramic formed body, and ceramic porous body

NGK INSULATORS LTD2 citations71
US12500071B2Dec 16, 2025

Wafer placement table

NGK INSULATORS LTD1 citations64
US11071937B2Jul 27, 2021

Ceramic porous body and method for producing the same, and dust collecting filter

NGK INSULATORS LTD0 citations62
US12349241B2Jul 1, 2025

Ceramic heater and method of manufacturing the same

NGK INSULATORS LTD0 citations61
US11984329B2May 14, 2024

Ceramic heater

NGK INSULATORS LTD1 citations61
US12009245B2Jun 11, 2024

Member for semiconductor manufacturing apparatus and method for manufacturing the same

NGK INSULATORS LTD1 citations59
US12040160B2Jul 16, 2024

Semiconductor-manufacturing apparatus member and plug

NGK INSULATORS LTD0 citations58
US12237156B2Feb 25, 2025

Wafer placement table

NGK INSULATORS LTD0 citations52
US10043604B2Aug 7, 2018

Voltage-nonlinear resistor element and method for producing the same

NGK INSULATORS LTD0 citations52
US11398401B2Jul 26, 2022

Wafer mounting table and method of manufacturing the same

NGK INSULATORS LTD0 citations51
US10632648B2Apr 28, 2020

Ceramic formed body extrusion method, ceramic formed body, and ceramic porous body

NGK INSULATORS LTD0 citations51
US10596722B2Mar 24, 2020

Ceramic formed body extrusion method, ceramic formed body, and ceramic porous body

NGK INSULATORS LTD0 citations51
US12444587B2Oct 14, 2025

Wafer placement table with heat dissipation sheet

NGK INSULATORS LTD0 citations50
US12283511B2Apr 22, 2025

Member for semiconductor manufacturing apparatus

NGK INSULATORS LTD0 citations50
US12191183B2Jan 7, 2025

Wafer placement table and method of manufacturing the same

NGK INSULATORS LTD0 citations50
US12144067B2Nov 12, 2024

Ceramic heater

NGK INSULATORS LTD0 citations50
US12451385B2Oct 21, 2025

Wafer placement table

NGK INSULATORS LTD0 citations48

SEIKO EPSON CORP

9 patents

ISHIKAWA MASAKI

4 patents

SEN CORP

2 patents

ASAHI KASEI E MAT CORPORATION

2 patents

INOUE TORU

2 patents

MITSUBISHI HEAVY IND LTD

1 patent

HITACHI HIGH TECH CORP

1 patent

SUMITOMO HEAVY INDUSTRIES ION TECH CO LTD

1 patent

JVC KENWOOD CORP

1 patent

SUMITOMO ELECTRIC INDUSTRIES

1 patent

SEN CORP AN SHI AND AXCELIS CO

1 patent

ASAHI KASEI E MATERIALS CORP

1 patent

TAKEHIRO CO LTD

1 patent

SUMITOMO BAKELITE CO

1 patent

FUJITSU LTD

1 patent

Showing the top 50 of 59 patents by PatentIndex Score.