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Inventor

Tsugumasa Hitomi

Inventor
Gunma, JP

Overview

2→
Patents
2013–2020
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

A61Lprimary
A61LMethods or apparatus for sterilising materials or objects in general20%
C12MApparatus for enzymology or microbiology20%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%
G02CSpectacles20%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein20%
PatentTitleYear
10,816,461Gas sensor and constant-temperature apparatus20208,517,534'Semi-finished blank for varifocal lens, varifocal lens made from this blank, and varifocal eyeglasses featuring this lens'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to HITOMI TSUGUMASA (1)· patent assignee history
2013Patents assigned to MACHIDA SATOKO (1)· patent assignee history
2013Patents assigned to PANASONIC CORP (1)· patent assignee history
2013Patents assigned to SONE KOUJI (1)· patent assignee history
2013Based in Ehime, JP· patent location history
2020Patents assigned to PHC HOLDINGS CORP (1)· patent assignee history
2020Based in Gunma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITOMI TSUGUMASAself12013
MACHIDA SATOKO12013
PANASONIC CORP12013
PHC HOLDINGS CORP12020
SONE KOUJI12013
Locations
LocationPatentsSpan
Gunma, JP12020
Ehime, JP12013