Prof. Takashi Tokuda Profile

Prof. Takashi Tokuda

at Nara Institute of Science and Technology

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 18 March 2014 Paper

Dual-mode lensless imaging device for digital enzyme linked immunosorbent assay

Kiyotaka Sasagawa, Soo Heyon Kim, Kazuya Miyazawa, Hironari Takehara, Toshihiko Noda, Takashi Tokuda, Ryota Iino, Hiroyuki Noji, Jun Ohta

Proceedings Volume 8933, 89330N (2014) https://doi.org/10.1117/12.2039948

KEYWORDS: Imaging devices, Luminescence, Molecules, Glasses, Sensors, Spatial resolution, Collimation, Microscopes, Image sensors, CMOS sensors

Read Abstract +

Proceedings Article | 7 March 2014 Paper

On-chip polarizer on image sensor using advanced CMOS technology

Kiyotaka Sasagawa, Norimitsu Wakama, Toshihiko Noda, Takashi Tokuda, Kiyomi Kakiuchi, Jun Ohta

Proceedings Volume 8974, 89740I (2014) https://doi.org/10.1117/12.2040012

KEYWORDS: Polarizers, Metals, CMOS technology, Image sensors, Standards development, Photodiodes, Visible radiation, Optical testing, Refractive index, Near infrared

Read Abstract +

Proceedings Article | 5 March 2014 Paper

Implantable CMOS imaging device with absorption filters for green fluorescence imaging

Yoshinori Sunaga, Makito Haruta, Hironari Takehara, Yasumi Ohta, Mayumi Motoyama, Toshihiko Noda, Kiyotaka Sasagawa, Takashi Tokuda, Jun Ohta

Proceedings Volume 8928, 89280L (2014) https://doi.org/10.1117/12.2038948

KEYWORDS: Luminescence, Absorption filters, Imaging devices, Light emitting diodes, Green fluorescent protein, Transmittance, Interference filters, Image filtering, Brain, Image sensors

Read Abstract +

Proceedings Article | 7 March 2006 Paper

Flexible and extensible retinal prosthesis based on multi-chip architecture

Akihiro Uehara, Yasuo Terasawa, Takashi Tokuda, Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta

Proceedings Volume 6138, 61380R (2006) https://doi.org/10.1117/12.646202

KEYWORDS: Electrodes, Analog electronics, Packaging, Epoxies, Circuit switching, Switches, CMOS technology, Iridium, Silicon, Digital electronics

Read Abstract +

Proceedings Article | 6 February 2006 Paper

In vitro and in vivo on-chip biofluorescence imaging using a CMOS image sensor

David Ng, Masamichi Matsuo, Takashi Tokuda, Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta

Proceedings Volume 6068, 606801 (2006) https://doi.org/10.1117/12.642591

KEYWORDS: Brain, Neuroimaging, In vivo imaging, Image sensors, Luminescence, In vitro testing, CMOS sensors, Imaging devices, Sensors, Optical filters

Read Abstract +

Proceedings Article | 6 February 2006 Paper

An optical and potential dual-image CMOS sensor for bioscientific applications

Takashi Tokuda, Akio Yamamoto, Keiichiro Kagawa, Masahiro Nunoshita, Jun Ohta

Proceedings Volume 6068, 606802 (2006) https://doi.org/10.1117/12.642559

KEYWORDS: Sensors, CMOS sensors, Electrodes, Image sensors, Optical sensing, Luminescence, Optical imaging, Imaging systems, Optical sensors, Transistors

Read Abstract +

Proceedings Article | 6 February 2006 Paper

A pulse-frequency-modulation vision chip using a capacitive feedback reset with an in-pixel 1-bit image processor

Keiichiro Kagawa, Shinya Yamamoto, Tetsuo Furumiya, Takashi Tokuda, Masahiro Nunoshita, Jun Ohta

Proceedings Volume 6068, 60680C (2006) https://doi.org/10.1117/12.642707

KEYWORDS: Image processing, Power supplies, Transistors, Photodiodes, Edge detection, Clocks, Linear filtering, Positive feedback, Digital image processing, High dynamic range imaging

Read Abstract +

Proceedings Article | 7 March 2005 Paper

Pulse modulation image sensors for on-chip bioimaging and biosensing applications

Takashi Tokuda, David Ng, Hideki Okamoto, Keiichiro Kagawa, Jun Ohta, Masahiro Nunoshita

Proceedings Volume 5677, (2005) https://doi.org/10.1117/12.588168

KEYWORDS: Modulation, Image sensors, Biosensing, Sensors, Amplifiers, In vitro testing, Luminescence, In vivo imaging, Neuroimaging, Brain

Read Abstract +

Proceedings Article | 16 May 2003 Paper

System implementation of a CMOS vision chip for visual recovery

Akihiro Uehara, David Ng, Tetsuo Furumiya, Keiichi Isakari, Keiichiro Kagawa, Takashi Tokuda, Jun Ohta, Masahiro Nunoshita

Proceedings Volume 5017, (2003) https://doi.org/10.1117/12.476789

KEYWORDS: Sensors, Retina, Signal processing, Neurons, Visualization, Prototyping, Capacitors, Tissues, Electrodes, Signal detection

Read Abstract +

Proceedings Article | 15 May 2001 Paper

Low-voltage operation of a CMOS image sensor based on pulse frequency modulation

Jun Ohta, Hirohiko Sakata, Takashi Tokuda, Masahiro Nunoshita

Proceedings Volume 4306, (2001) https://doi.org/10.1117/12.426967

KEYWORDS: Photodiodes, Frequency modulation, Transistors, Analog electronics, CMOS sensors, Image sensors, Signal processing, Metals, CMOS technology, Device simulation

Read Abstract +

Proceedings Article | 24 May 2000 Paper

Pulsed vision chip with inhibitory interconnections

Jun Ohta, Akihiro Uehara, Takashi Tokuda, Masahiro Nunoshita

Proceedings Volume 4089, (2000) https://doi.org/10.1117/12.386868

KEYWORDS: Image processing, Photodiodes, Analog electronics, Modulation, Frequency modulation, Logic, Transistors, Power supplies, Digital electronics, Very large scale integration

Read Abstract +

Showing 5 of 11 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years