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Inventor

Ryo Maruyama

Inventor
Sakura, JP

Overview

17→
Patents
2009–2020
Patent span
Physics
Primary field (CPC G)

Patents· 17 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus35%
H04LTransmission of digital information, e.g. telegraphic communication17%
LOC139%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages4%
A61LMethods or apparatus for sterilising materials or objects in general4%
C03BManufacture, shaping, or supplementary processes4%
C03CChemical composition of glasses, glazes or vitreous enamels4%
G01DMeasuring not specially adapted for a specific variable4%
G01MTesting static or dynamic balance of machines or structures4%
H01LSemiconductor devices4%
PatentTitleYear
10,760,993Measurement method, measurement device, and non-transitory recording medium202010,578,796Optical fiber and method for manufacturing same202010,422,948Optical fiber and method of manufacturing the same201910,422,949Optical fiber and method of manufacturing the same201910,319,665Cooler and cooler fixing method20199,964,697Optical fiber2018D0810706'Semiconductor module'20189,772,444'Optical fiber'20179,507,082'Two-mode optical fiber and light transmission path'2016D0772184'Semiconductor module'20169,297,952'Optical fiber and optical transmission line'20169,188,735'Optical fiber, optical transmission line, and method for manufacturing optical fiber'20158,976,809'Communication system, monitoring device of ring network, and flow rate monitoring method of ring network'20158,769,157'Communication apparatus, interface card, and failure handling method'20148,257,771'Innovative pasteurization method, use thereof and apparatus'20127,668,115'Switching apparatus'20107,580,348'Communication apparatus, control method, and computer readable information recording medium'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2010Patents assigned to FUJITSU LTD (2)· patent assignee history
2009–2015Based in Kawasaki, JP· patent location history
2012–2014Patents assigned to MARUYAMA RYO (2)· patent assignee history
2014–2015Patents assigned to FUJITSU TELECOM NETWORKS LTD (2)· patent assignee history
2015–2020Patents assigned to FUJIKURA LTD (9)· patent assignee history
2015–2019Based in Sakura, JP· patent location history
2016–2019Patents assigned to FUJI ELECTRIC CO LTD (3)· patent assignee history
2016–2018Based in Tokyo, JP· patent location history
2019Based in Matsumoto, JP· patent location history
2020Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJIKURA LTD92015–2020
FUJI ELECTRIC CO LTD32016–2019
FUJITSU LTD22009–2010
FUJITSU TELECOM NETWORKS LTD22014–2015
MARUYAMA RYOself22012–2014
Locations
LocationPatentsSpan
Sakura, JP72015–2019
Kawasaki, JP32009–2015
Chiba, JP22020
Tokyo, JP22016–2018
Matsumoto, JP12019