Inventor
Hidetaka Yokota
Inventor
Tokyo, JP
Overview
Patents· 14 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 them45%
G02BOptical elements, systems or apparatus14%
A61BDiagnosis9%
A61MDevices for introducing media into, or onto, the body5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%
H04NPictorial communication, e.g. television5%
H05KPrinted circuits5%
LOC245%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
9,833,586Intubation assistance instrument, intubation assistance apparatus and intubation assistance system20178,079,951'Intubation assistance apparatus'2011D0619248'Medical device for inserting a video laryngoscope'20105,892,996'Lens cover that slides along front surface of a camera body'19995,819,127'Lens cover that slides along front surface of a camera body'19985,732,302'Camera having deformable shock dampening members'19985,692,227'Viewfinder'19975,625,487'Device for adjusting the diopter setting of a finder assembly'19975,621,568'Device for adjusting the diopter setting of a finder assembly'19975,572,368'Light projecting device with cylindrical lens'19965,369,456'Mirror adjusting apparatus of view finder'19945,200,775'Waterproof camera'19935,136,760'Clamp structure for plural members'19925,136,326'Photometry device for camera'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1999Patents assigned to ASAHI OPTICAL CO LTD (10)· patent assignee history
1992–2011Based in Tokyo, JP· patent location history
1998Patents assigned to ASAHI CHEMICAL CO (1)· patent assignee history
2011–2017Patents assigned to YOKOTA HIDETAKA (2)· patent assignee history
2011Patents assigned to HOYA CORP (1)· patent assignee history
2017Patents assigned to ARAKAWA KEIZO (1)· patent assignee history
2017Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASAHI OPTICAL CO LTD | 10 | 1992–1999 |
| YOKOTA HIDETAKAself | 2 | 2011–2017 |
| ARAKAWA KEIZO | 1 | 2017 |
| ASAHI CHEMICAL CO | 1 | 1998 |
| HOYA CORP | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 13 | 1992–2011 |
| Saitama, JP | 1 | 2017 |