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Inventor

Masashi Koji

Inventor
Tokyo, JP

Overview

5→
Patents
1988–2004
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 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 general38%
A61BDiagnosis13%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body13%
A61NElectrotherapy13%
C02FTreatment of water, waste water, sewage, or sludge13%
C23CCoating metallic material13%
PatentTitleYear
6,749,806'Method of sterilizing mildews and/or fungi in the state of spores and sterilization apparatus therefor'20045,039,865'Sanitation apparatus'19914,899,057'Sanitary device'19904,836,140'Photo-CVD apparatus'19894,742,235'Optical treatment device'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2004Patents assigned to HOSHIN KAGAKU SANGYOSHO KK (5)· patent assignee history
1988Patents assigned to PHOTON CO LTD (1)· patent assignee history
1988–2004Based in Tokyo, JP· patent location history
1990Based in Shinjuku-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOSHIN KAGAKU SANGYOSHO KK51988–2004
PHOTON CO LTD11988
Locations
LocationPatentsSpan
Tokyo, JP41988–2004
Shinjuku-ku, JP11990