Inventor
Katsuhiko Aisu
Inventor
Hyogo, JP
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices24%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation24%
H04NPictorial communication, e.g. television22%
H03FAmplifiers11%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%
G05FSystems for regulating electric or magnetic variables3%
H03GControl of amplification3%
H03KPulse technique3%
H03MCoding3%
H10DInorganic electric semiconductor devices3%
PatentTitleYear
10,298,869Photoelectric conversion device and image generation device201910,078,010Photoelectric conversion device, image generation device, and method of correcting output of photoelectric conversion device20189,923,019'Semiconductor device, manufacturing method thereof and imaging apparatus'20189,871,984'Imaging device, control method of imaging device, and pixel structure'20189,762,822'Imaging device including a phototransistor, method of driving the imaging device, and camera including the imaging device'20179,749,566'Imaging device and electronic device'20179,571,770'Sense circuit and method of operation thereof and photoelectric conversion array connected to inverting input of sense circuit'20179,508,871'Solid-state image sensing device with electrode implanted into deep trench'20169,478,568'Photoelectric conversion device having two switch elements'20169,472,706'Image sensor having a plurality of phototransistors separated by trench-gate structures and method of manufacturing the same'20169,059,065'Method of varying gain of amplifying photoelectric conversion device and variable gain photoelectric conversion device'20158,969,810'Infrared sensor device'20158,531,237'Low-pass filter, constant voltage circuit, and semiconductor integrated circuit including same'20138,378,747'Differential amplifier circuit, operational amplifier including difference amplifier circuit, and voltage regulator circuit'20137,671,679'Semiconductor integrated circuit and amplifier for suppressing pop sound while minimizing voltage transition settling time'20107,382,187'Semiconductor integrated circuit and amplifier for suppressing pop sound while minimizing voltage transition settling time'20086,278,322'Transconductance amplifier and automatic gain control device using it'20015,227,793'Current mode digital-to-analog converter using complementary devices'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Based in Minoo, JP· patent location history
2001–2019Based in Hyogo, JP· patent location history
2013–2019Patents assigned to RICOH CO LTD (14)· patent assignee history
2013–2019Patents assigned to AISU KATSUHIKO (12)· patent assignee history
2013–2017Based in Takarazuka, JP· patent location history
2013Based in Takaraduka, JP· patent location history
2016–2019Patents assigned to NEGORO TAKAAKI (9)· patent assignee history
2016–2019Patents assigned to YONEDA KAZUHIRO (9)· patent assignee history
2016–2019Patents assigned to SAKURANO KATSUYUKI (8)· patent assignee history
2018Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 14 | 2013–2019 |
| AISU KATSUHIKOself | 12 | 2013–2019 |
| NEGORO TAKAAKI | 9 | 2016–2019 |
| YONEDA KAZUHIRO | 9 | 2016–2019 |
| SAKURANO KATSUYUKI | 8 | 2016–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hyogo, JP | 11 | 2001–2019 |
| Takarazuka, JP | 4 | 2013–2017 |
| Tokyo, JP | 1 | 2018 |
| Takaraduka, JP | 1 | 2013 |
| Minoo, JP | 1 | 1993 |