Inventor
Takahiko Sakai
Inventor
Saitama, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus55%
G06KGraphical data reading9%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes9%
G06VImage or video recognition or understanding9%
G07GRegistering the receipt of cash, valuables, or tokens9%
H04NPictorial communication, e.g. television9%
PatentTitleYear
10,909,361Receipt processing apparatus, program, and report production method20219,841,608'Inner focus lens'20179,678,305'Inner focus lens'20179,645,353'Optical system and image pickup apparatus'20178,908,297'Fixed focus lens'20148,605,363'Internal focusing lens'20138,587,879'Fixed focus lens'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2017Patents assigned to TAMRON KK (6)· patent assignee history
2013Patents assigned to SAKAI TAKAHIKO (2)· patent assignee history
2013Patents assigned to ADACHI NOBUYUKI (1)· patent assignee history
2013Patents assigned to HOSOI MASAHARU (1)· patent assignee history
2013Patents assigned to OBIKANE YASUHIKO (1)· patent assignee history
2013–2017Based in Saitama, JP· patent location history
2021Based in Nagano, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TAMRON KK | 6 | 2013–2017 |
| SAKAI TAKAHIKOself | 2 | 2013 |
| ADACHI NOBUYUKI | 1 | 2013 |
| HOSOI MASAHARU | 1 | 2013 |
| OBIKANE YASUHIKO | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 6 | 2013–2017 |
| Nagano, JP | 1 | 2021 |