Inventor
Kenji Ookubo
Inventor
Numazu, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C30Bprimary
C30BSingle-crystal growth14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
G02BOptical elements, systems or apparatus14%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices14%
G03GElectrography14%
Y10TTechnical subjects covered by former us classification14%
H01LSemiconductor devices7%
H10KOrganic electric solid-state devices7%
PatentTitleYear
10,545,420Magnetic toner and image-forming method20209,880,478'Method of producing toner'20189,219,253'Method for manufacturing organic EL display device'20157,651,861'Method of producing fluorite crystal, fluorite and optical system incorporating the same'20107,035,306'Method of assaying fluorite sample and method of producing fluorite crystal'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2020Patents assigned to CANON KK (5)· patent assignee history
2006–2010Based in Atsugi, JP· patent location history
2015Patents assigned to HIROKI TOMOYUKI (1)· patent assignee history
2015Patents assigned to IZUMI NOZOMU (1)· patent assignee history
2015Patents assigned to OOKUBO KENJI (1)· patent assignee history
2015Patents assigned to SATO NOBUHIKO (1)· patent assignee history
2015Based in Mobara, JP· patent location history
2018–2020Based in Numazu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 5 | 2006–2020 |
| HIROKI TOMOYUKI | 1 | 2015 |
| IZUMI NOZOMU | 1 | 2015 |
| OOKUBO KENJIself | 1 | 2015 |
| SATO NOBUHIKO | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Numazu, JP | 2 | 2018–2020 |
| Atsugi, JP | 2 | 2006–2010 |
| Mobara, JP | 1 | 2015 |