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Inventor

Mitsuaki Wada

Inventor
Tokyo, JP

Overview

9→
Patents
2004–2021
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus38%
F24FAir-conditioning15%
F25BRefrigeration machines, plants or systems15%
A61BDiagnosis8%
B66CCranes8%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
PatentTitleYear
11,118,821Refrigeration cycle apparatus202111,098,916Air conditioning system202110,710,847Mobile crane20208,982,477'Zoom lens, optical apparatus and method for manufacturing zoom lens'20158,493,664'Close-up lens, imaging apparatus, and method for focusing close-up lens'20138,238,044'Imaging lens, imaging apparatus, and method for manufacturing imaging lens'20127,898,744'Close-up lens, imaging apparatus, and method for focusing close-up lens'20117,411,745'Large-aperture-ratio internal focusing telephoto lens'20086,705,728'Ophthalmologic apparatus'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to TOPCON CORP (1)· patent assignee history
2004–2021Based in Tokyo, JP· patent location history
2008–2015Patents assigned to NIKON CORP (5)· patent assignee history
2012–2015Patents assigned to WADA MITSUAKI (3)· patent assignee history
2020Patents assigned to MAEDA SEISAKUSHO CO LTD (1)· patent assignee history
2020Based in Nagano, JP· patent location history
2021Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIKON CORP52008–2015
WADA MITSUAKIself32012–2015
MITSUBISHI ELECTRIC CORP22021
MAEDA SEISAKUSHO CO LTD12020
TOPCON CORP12004
Locations
LocationPatentsSpan
Tokyo, JP82004–2021
Nagano, JP12020