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Inventor

Atsushi Sasayama

Inventor
Komoro, JP

Overview

11→
Patents
1978–2013
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus35%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1025%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light20%
A41GArtificial flowers5%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons5%
G11BInformation storage based on relative movement between record carrier and transducer5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
8,578,945'Hair extension, hair accessory using the same and method for producing hair extension'20135,408,559'Optoelectronic device'19955,344,917'Process for producing regenerated collagen fiber'19945,195,155'Optical coupling apparatus and manufacturing method of the same, and lens holder'19934,997,243'Method of mounting a light emitting chip and an optical fiber on a photoelectric device'19914,920,262'Photoelectric device with leads'19904,803,361'Photoelectric device with optical fiber and laser emitting chip'19894,793,688'Photo electro device, method for manufacture of same, and lens support frame for use in such photo electro device'19884,768,070'Optoelectronics device'19884,756,592'Luminescent package device for coupling an optical fiber with a luminescent element'19884,107,727'Resin sealed semiconductor device'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1995Patents assigned to HITACHI LTD (9)· patent assignee history
1978Based in Takasaki, JP· patent location history
1988–1991Patents assigned to HITACHI TOBU SEMICONDUCTOR LTD (4)· patent assignee history
1988Patents assigned to HITACHI EASTERN SEMICONDUCT (1)· patent assignee history
1988–1995Based in Komoro, JP· patent location history
1990Patents assigned to HITACHI TOBU SEMICONDUCTOR (1)· patent assignee history
1994Patents assigned to KANEGAFUCHI CHEMICAL IND (1)· patent assignee history
1994Based in Hyogo, JP· patent location history
2013Based in Takasago, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD91978–1995
HITACHI TOBU SEMICONDUCTOR LTD41988–1991
HITACHI EASTERN SEMICONDUCT11988
HITACHI TOBU SEMICONDUCTOR11990
KANEGAFUCHI CHEMICAL IND11994
Locations
LocationPatentsSpan
Komoro, JP81988–1995
Takasago, JP12013
Hyogo, JP11994
Takasaki, JP11978