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Inventor

Masahi Tanaka

Inventor
Yokohama, JP

Overview

2→
Patents
1989–2002
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.

F02Dprimary
F02DControlling combustion engines20%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%
G02BOptical elements, systems or apparatus20%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them20%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices20%
PatentTitleYear
6,351,305'Exposure apparatus and exposure method for transferring pattern onto a substrate'20024,834,051'Oxygen sensor and an air-fuel ratio control apparatus of an internal combustion engine using the same'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to MITSUBISHI MOTORS CORP (1)· patent assignee history
1989Based in Takatsuki, JP· patent location history
2002Patents assigned to NIKON CORP (1)· patent assignee history
2002Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI MOTORS CORP11989
NIKON CORP12002
Locations
LocationPatentsSpan
Yokohama, JP12002
Takatsuki, JP11989