Inventor
Kazuo Takashima
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B66Bprimary
B66BElevators19%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
F21KNon-electric light sources using luminescence6%
F21VFunctional features or details of lighting devices or systems thereof6%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted6%
G01BMeasuring length, thickness or similar linear dimensions6%
G01DMeasuring not specially adapted for a specific variable6%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%
G02BOptical elements, systems or apparatus6%
G06VImage or video recognition or understanding6%
PatentTitleYear
10,907,773Wavelength conversion device and light source device20218,115,162'Sliding door apparatus and elevator including an obstruction detection system'20127,581,880'Radiant-temperature measurement device, light-source temperature control device, image projection apparatus and radiant-temperature measurement method'20096,962,239'Sliding door system with optical detector for safe door opening and closing'20056,631,788'Elevator system with safety installation'20036,054,938'Optical encoder'20005,426,296'Irregular pattern input device comprising an optical fiber bundle'19954,481,534'Configuration detecting device'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2012Patents assigned to MITSUBISHI ELECTRIC CORP (7)· patent assignee history
1984Patents assigned to NIPPON STEEL CORP (1)· patent assignee history
1984–1995Based in Hyogo, JP· patent location history
2000–2021Based in Tokyo, JP· patent location history
2009Based in Chiyoda-ku, JP· patent location history
2012Patents assigned to KAWANO HIROYUKI (1)· patent assignee history
2012Patents assigned to MASUDA TOSHIO (1)· patent assignee history
2012Patents assigned to SHIKAI MASAHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 7 | 1984–2012 |
| KAWANO HIROYUKI | 1 | 2012 |
| MASUDA TOSHIO | 1 | 2012 |
| NIPPON STEEL CORP | 1 | 1984 |
| SHIKAI MASAHIRO | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 2000–2021 |
| Hyogo, JP | 2 | 1984–1995 |
| Chiyoda-ku, JP | 1 | 2009 |