Spraying Robot for Grape Production. - Yuichi Ogawa; Naoshi Kondo; Mitsuji Monta; Sakae Shibusawa (FSR, 2003)

Two-Stage Patent Retrieval Method Considering Claim Structure. - Hisao Mase; Tadataka Matsubayashi; Yuichi Ogawa; Makoto Iwayama; Tadaaki Oshio (NTCIR, 2004)

NTCIR-5 Patent Retrieval Experiments at Hitachi. - Hisao Mase; Tadataka Matsubayashi; Yuichi Ogawa; Takaaki Yayoi; Yusuke Sato; Makoto Iwayama (NTCIR, 2005)

Proposal of two-stage patent retrieval method considering the claim structure. - Hisao Mase; Tadataka Matsubayashi; Yuichi Ogawa; Makoto Iwayama; Tadaaki Oshio (ACM Trans. Asian Lang. Inf. Process., 2005)

Terahertz spectroscopy for art conservation. - Kaori Fukunaga; Yuichi Ogawa; Shin'ichiro Hayashi; Iwao Hosako (IEICE Electron. Express, 2007)

Application of terahertz spectroscopy for character recognition in a medieval manuscript. - Kaori Fukunaga; Yuichi Ogawa; Shin'ichiro Hayashi; Iwao Hosako (IEICE Electron. Express, 2008)

Attenuated total reflection spectra of aqueous glycine in the terahertz region. - Yuichi Ogawa; Li Cheng; Shin'ichiro Hayashi; Kaori Fukunaga (IEICE Electron. Express, 2009)

Sound-Based Ranging System in Greenhouse Environment with Multipath Effect Compensation Using Artificial Neural Network. - Slamet Widodo; Tomoo Shiigi; Naing Min Than; Yuichi Ogawa; Naoshi Kondo (ICONIP (4), 2012)

Influence of food density on colony size of Pogonomyrmex barbatus. - Yuichi Ogawa; Sohei Hanamoto; Kazuki Tsuji; Fumitoshi Matsuno (SII, 2012)

Relationship between survivability of ant colony and rate of state transition to rest. - Yuichi Ogawa; Shigeto Dobata; Fumitoshi Matsuno (SII, 2013)

Moving Object Localization Using Sound-Based Positioning System with Doppler Shift Compensation. - Slamet Widodo; Tomoo Shiigi; Naoki Hayashi; Hideo Kikuchi; Keigo Yanagida; Yoshiaki Nakatsuchi; Yuichi Ogawa; Naoshi Kondo (Robotics, 2013)

Spatio-temporal similarity search method for disaster estimation. - Hideki Hayashi; Akinori Asahara; Natsuko Sugaya; Yuichi Ogawa; Hitoshi Tomita (IEEE BigData, 2015)

Spatio-temporal join technique for disaster estimation in large-scale natural disaster. - Hideki Hayashi; Akinori Asahara; Natsuko Sugaya; Yuichi Ogawa; Hitoshi Tomita (IWGS, 2015)

Prediction of K value for fish flesh based on ultraviolet-visible spectroscopy of fish eye fluid using partial least squares regression. - Anisur Rahman; Naoshi Kondo; Yuichi Ogawa; Tetsuhito Suzuki; Yuri Shirataki; Yumi Wakita (Comput. Electron. Agric., 2015)

Composition of simulation data for large-scale disaster estimation. - Hideki Hayashi; Akinori Asahara; Natsuko Sugaya; Yuichi Ogawa; Hitoshi Tomita (EM-GIS, 2016)

28.3 CMOS biosensor IC focusing on dielectric relaxations of biological water with 120GHz and 60GHz oscillator arrays. - Takeshi Mitsunaka; Nobuyuki Ashida; Akira Saito; Kunihiko Iizuka; Tetsuhito Suzuki; Yuichi Ogawa; Minoru Fujishima (ISSCC, 2016)

Self-consistent treatment of the sheath boundary conditions by introducing anisotropic ion temperatures and virtual divertor model. - Satoshi Togo; Tomonori Takizuka; Makoto Nakamura; Kazuo Hoshino; Kenzo Ibano; Tee Long Lang; Yuichi Ogawa (J. Comput. Phys., 2016)

CMOS Biosensor IC Focusing on Dielectric Relaxations of Biological Water With 120 and 60 GHz Oscillator Arrays. - Takeshi Mitsunaka; Daiki Sato; Nobuyuki Ashida; Akira Saito; Kunihiko Iizuka; Tetsuhito Suzuki; Yuichi Ogawa; Minoru Fujishima (IEEE J. Solid State Circuits, 2016)

Stream Geo-location Data Processing for Detecting Rescuers in a Large-scale Disaster. - Hideki Hayashi; Yuichi Ogawa; Natsuko Sugaya; Akinori Asahara; Hitoshi Tomita (EM-GIS, 2017)

Periodically poled LiNbO3 ridge waveguide with 21.9 dB phase-sensitive gain by optical parametric amplification. - T. Kishimoto; K. Inafune; Yuichi Ogawa; Norihiko Sekine; H. Murai; H. Sasaki (OFC, 2017)

Frequency Up-Conversion of Data-Carrying Optical Vortex for Optical Fibre to Optical Wireless Communications Interface. - Guo-Wei Lu; Junichi Hamazaki; Keizo Inagaki; T. Kishimoto; Yuichi Ogawa; Norihiko Sekine; Akifumi Kasamatsu; Naokatsu Yamamoto; S. Yamaguchi; Iwao Hosako (ECOC, 2018)

Cardiac signal behavior of early and late hatch chick embryos during incubation. - Alin Khaliduzzaman; Shinichi Fujitani; Naoshi Kondo; Md Syduzzaman; Afzal Rahman; Tetsuhito Suzuki; Yuichi Ogawa; Ayuko Kashimori; Tateshi Fujiura (Comput. Electron. Agric., 2018)

Improved underwater Helmholtz resonator with an open cavity for sample volume estimation. - Stephen N. Njane; Yoshiaki Shinohara; Naoshi Kondo; Yuichi Ogawa; Tetsuhito Suzuki; Takahisa Nishizu (Comput. Electron. Agric., 2018)

Non-invasive broiler chick embryo sexing based on opacity value of incubated eggs. - Alin Khaliduzzaman; Shinichi Fujitani; Ayuko Kashimori; Tetsuhito Suzuki; Yuichi Ogawa; Naoshi Kondo (Comput. Electron. Agric., 2019)

A non-invasive diagnosis technique of chick embryonic cardiac arrhythmia using near infrared light. - Alin Khaliduzzaman; Shinichi Fujitani; Ayuko Kashimori; Tetsuhito Suzuki; Yuichi Ogawa; Naoshi Kondo (Comput. Electron. Agric., 2019)

Fluorescence time series monitoring of different parts of green pepper (Capsicum annuum L.) under different storage temperatures. - Danial Fatchurrahman; Makoto Kuramoto; Dimas Firmanda Al Riza; Yuichi Ogawa; Tetsuhito Suzuki; Naoshi Kondo (Comput. Electron. Agric., 2020)

A Noise Tolerant Spread Spectrum Sound-Based Local Positioning System for Operating a Quadcopter in a Greenhouse. - Zichen Huang; Lok Wai Jacky Tsay; Tomoo Shiigi; Xunyue Zhao; Hiroaki Nakanishi; Tetsuhito Suzuki; Yuichi Ogawa; Naoshi Kondo (Sensors, 2020)

Chick Embryo Growth Modeling Using Near-Infrared Sensor and Non-Linear Least Square Fitting of Egg Opacity Values. - Alin Khaliduzzaman; Ayuko Kashimori; Tetsuhito Suzuki; Yuichi Ogawa; Naoshi Kondo (Sensors, 2020)

A sound-based positioning system with centimeter accuracy for mobile robots in a greenhouse using frequency shift compensation. - Zichen Huang; Tomoo Shiigi; Lok Wai Jacky Tsay; Hiroaki Nakanishi; Tetsuhito Suzuki; Yuichi Ogawa; Naoshi Kondo (Comput. Electron. Agric., 2021)

An automatic eye surface-fundus double imaging system for estimation of vitamin A levels in Japanese Black Cattle. - Nanding Li; Otieno Samuel Ouma; Dimas Firmanda Al Riza; Mizuki Shibasaki; Wulandari; Moriyuki Fukushima; Tateshi Fujiura; Yuichi Ogawa; Naoshi Kondo; Tetsuhito Suzuki (Comput. Electron. Agric., 2023)

Label-free technology for traceable identification of single green pepper through features in UV fluorescent images. - Tetsuyuki Takemoto; Zichen Huang; Ken Abamba Omwange; Yoshito Saito; Keiji Konagaya; Tetsuhito Suzuki; Yuichi Ogawa; Naoshi Kondo (Comput. Electron. Agric., 2023)