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Inventor

Yoko ISHITSUKA

Inventor
JP

Overview

2→
Patents
2022–2023
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels29%
B24BMachines, devices, or processes for grinding or polishing14%
B24CAbrasive or related blasting with particulate material14%
C03BManufacture, shaping, or supplementary processes14%
G01BMeasuring length, thickness or similar linear dimensions14%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices14%
PatentTitleYear
11,591,260Large-size synthetic quartz glass substrate, evaluation method, and manufacturing method202311,465,260Method for producing synthetic quartz glass substrate2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2023Patents assigned to SHINETSU CHEMICAL CO (2)· patent assignee history
2022–2023Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHINETSU CHEMICAL CO22022–2023
Locations
LocationPatentsSpan
JP22022–2023