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Inventor

KENGO ASAI

Inventor
JP

Overview

5→
Patents
2021–2025
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps50%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
C08LCompositions of macromolecular compounds13%
G02BOptical elements, systems or apparatus13%
G02CSpectacles13%
PatentTitleYear
12,209,154Polymer material202512,051,560Ion gun and ion milling machine202412,020,893Ion milling device202411,257,654Ion milling apparatus202211,158,481Ion milling device, ion source, and ion milling method2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2024Patents assigned to HITACHI HIGH TECH CORP (4)· patent assignee history
2021–2025Based in JP· patent location history
2025Patents assigned to MENICON CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI HIGH TECH CORP42021–2024
MENICON CO LTD12025
Locations
LocationPatentsSpan
JP52021–2025