Inventor
Yoshihiko Nakayama
Inventor
Hitachinaka, JP
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps17%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables9%
G03GElectrography9%
B01DSeparation6%
F04DNon-positive-displacement pumps6%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application6%
H04NPictorial communication, e.g. television6%
Y10TTechnical subjects covered by former us classification6%
F25BRefrigeration machines, plants or systems4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
PatentTitleYear
10,407,317Floating filter media filtration system with backwash20198,766,184'Scanning electron microscope'20148,140,998'Imaging device'20128,106,990'Imaging device with output processing module'20128,044,352'Electron microscopy'20118,030,614'Charged particle beam apparatus and dimension measuring method'20117,973,282'Charged particle beam apparatus and dimension measuring method'20117,940,324'Method of exposure control and image pickup apparatus'20117,922,164'Sheet finishing device and image forming apparatus'20117,838,834'Image forming method and electron microscope'20107,274,017'Electron beam apparatus and high-voltage discharge prevention method'20077,214,936'Charged particle beam apparatus and dimension measuring method'20076,949,752'Electron beam apparatus and high-voltage discharge prevention method'20056,841,069'High rate filter and high rate filtration method using the filter'20056,821,445'Rainwater-treating apparatus in combined sewer system and backwashing method therefor'20046,494,449'Sheet stacking apparatus with vertically movable tray'20026,296,247'Sheet stacking apparatus with vertically movable tray'20016,145,825'Sheet processing apparatus and method therefor'20004,678,029'Evaporating heat transfer wall'19874,658,643'Apparatus for detecting abnormality and limit of use of plain bearings'19874,653,163'Method for producing a heat transfer wall for vaporizing liquids'19874,432,212'Hermetic turbo-refrigerator apparatus'19844,295,792'Apparatus for controlling operation of fluid pressure raising system'19814,291,587'Multistage speed change gear system'19814,146,090'Plate type heat exchanger'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1987Patents assigned to HITACHI LTD (6)· patent assignee history
1984–1987Based in Ibaraki, JP· patent location history
2000–2002Patents assigned to RICOH KK (3)· patent assignee history
2000–2002Based in Toyoake, JP· patent location history
2004–2019Based in Handa, JP· patent location history
2005–2014Based in Hitachinaka, JP· patent location history
2007–2014Patents assigned to HITACHI HIGH TECH CORP (6)· patent assignee history
2011–2012Patents assigned to ELMO CO LTD (3)· patent assignee history
2011–2012Based in Anjyo, JP· patent location history
2012–2019Patents assigned to NAKAYAMA YOSHIHIKO (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI HIGH TECH CORP | 6 | 2007–2014 |
| HITACHI LTD | 6 | 1981–1987 |
| NAKAYAMA YOSHIHIKOself | 4 | 2012–2019 |
| ELMO CO LTD | 3 | 2011–2012 |
| RICOH KK | 3 | 2000–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 8 | 2005–2014 |
| Anjyo, JP | 3 | 2011–2012 |
| Toyoake, JP | 3 | 2000–2002 |
| Ibaraki, JP | 3 | 1984–1987 |
| Handa, JP | 2 | 2004–2019 |