Inventor

Tohru Sugiyama

Inventor

Hamamatsu, JP

Overview

1980–2021

Patent span

Electricity

Primary field (CPC H)

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

H01Sprimary

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light30%

G01NInvestigating or analysing materials by determining their chemical or physical properties20%

A61KPreparations for medical, dental or toiletry purposes10%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%

B23KSoldering or unsoldering10%

G01SRadio direction-finding10%

H04NPictorial communication, e.g. television10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980–1982Patents assigned to KOBE STEEL LTD (2)· patent assignee history

1980–1982Based in Kamakura, JP· patent location history

1986Patents assigned to SHIMIZU PHARMA (1)· patent assignee history

1986Based in Shimizu, JP· patent location history

2003–2009Patents assigned to DAINIPPON PRINTING CO LTD (2)· patent assignee history

2003–2009Based in Tokyo, JP· patent location history

2021Patents assigned to HAMAMATSU PHOTONICS KK (3)· patent assignee history

2021Based in Hamamatsu, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations