Inventor
Koji Yokoyama
Inventor
Yokohama, JP
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them15%
H04NPictorial communication, e.g. television13%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
C07DHeterocyclic compounds4%
C12NMicroorganisms or enzymes4%
H01HElectric switches4%
H04MTelephonic communication4%
PatentTitleYear
10,314,301Method of preserving cells201910,151,696Method for determining abnormality in particle analyzer and particle analyzer201810,046,971Nitrogen-containing carbon material and method of manufacturing the same20189,921,212'Preventive and therapeutic drug for cartilaginous hyperplasia and method of screening for the same'20189,799,474'Contactor and electromagnetic relay'20179,679,707'Contact device and electromagnetic relay'20179,339,448'Emulsion composition'20169,338,360'Imaging apparatus'20168,639,103'Imaging apparatus'20148,422,873'Imaging apparatus'20138,204,369'Imaging apparatus'20127,907,836'Imaging apparatus'20117,442,075'Battery contact mechanism, battery receiving structure, electric power unit, electronic equipment, and pressure-contacting mechanism'20087,247,048'Battery contact mechanism, battery receiving structure, electric power unit, electronic equipment, and pressure-contacting mechanism'20077,165,819'Lift truck'20076,940,415'Reach type forklift truck'20056,268,562'Sealed container and method for assembling it'20016,067,172'Terminal coupled to integrated services digital network having confirmation call operation'20004,462,059'Demagnetizing power source'19844,372,947'Antibiotic saframycin S and process for producing the same'19834,117,399'Method and apparatus for measuring electric quantities by using light converters'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2008Patents assigned to RICOH KK (3)· patent assignee history
2005–2018Based in Kyoto, JP· patent location history
2007–2008Based in Kanagawa, JP· patent location history
2011–2016Patents assigned to RICOH CO LTD (5)· patent assignee history
2011–2016Based in Yokohama, JP· patent location history
2012–2016Patents assigned to YOKOYAMA KOJI (4)· patent assignee history
2012–2014Patents assigned to MOROHOSHI HIROSHI (3)· patent assignee history
2012–2014Patents assigned to SHINOHARA JUNICHI (3)· patent assignee history
2017Based in Osaka, JP· patent location history
2018–2019Based in Kobe, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 5 | 2011–2016 |
| YOKOYAMA KOJIself | 4 | 2012–2016 |
| MOROHOSHI HIROSHI | 3 | 2012–2014 |
| RICOH KK | 3 | 2000–2008 |
| SHINOHARA JUNICHI | 3 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 2011–2016 |
| Kobe, JP | 2 | 2018–2019 |
| Kyoto, JP | 2 | 2005–2018 |
| Osaka, JP | 2 | 2017 |
| Kanagawa, JP | 2 | 2007–2008 |