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Inventor

Koichi Yamakawa

Inventor
Kyoto, JP

Overview

4→
Patents
1977–2020
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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 light43%
A61BDiagnosis14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%
G03GElectrography14%
PatentTitleYear
10,806,385Device for measuring concentration of substance in blood, and method for measuring concentration of substance in blood20207,995,629'Solid-state laser apparatus'20117,274,723'Method for amplifying a solid-state laser'20074,006,987'Apparatus for cleaning a residual toner on an electrostatic recording medium'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to KONISHIROKU PHOTO IND (1)· patent assignee history
1977Based in Hachioji, JP· patent location history
2007Patents assigned to JAPAN ATOMIC ENERGY RES INST (1)· patent assignee history
2007–2020Based in Kyoto, JP· patent location history
2011Patents assigned to JAPAN ATOMIC ENERGY AGENCY (1)· patent assignee history
2011Based in Kizukawa, JP· patent location history
2020Patents assigned to NATIONAL INSTITUTES FOR QUANTUM AND RADIOLOGICAL SCIENCE AND TECH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN ATOMIC ENERGY AGENCY12011
JAPAN ATOMIC ENERGY RES INST12007
KONISHIROKU PHOTO IND11977
NATIONAL INSTITUTES FOR QUANTUM AND RADIOLOGICAL SCIENCE AND TECH12020
Locations
LocationPatentsSpan
Kyoto, JP22007–2020
Kizukawa, JP12011
Hachioji, JP11977