The constellation matching and its application. - Naohiro Furukawa; Masakazu Fujio; Hiroshi Sako (ICIP (1), 2001)

Document-Form Identification Using Constellation Matching of Keywords Abstracted by Character Recognition. - Hiroshi Sako; Naohiro Furukawa; Masakazu Fujio; Shigeru Watanabe (Document Analysis Systems, 2002)

A Context-free Grammar-based Language Model for String Recognition. - Hisashi Ikeda; Naohiro Furukawa; Masashi Koga; Hiroshi Sako; Hiromichi Fujisawa (Int. J. Comput. Process. Orient. Lang., 2002)

Form-type identification for banking applications and its implementation issues. - Hisao Ogata; Shigeru Watanabe; Atsuhiro Imaizumi; Tsukasa Yasue; Naohiro Furukawa; Hiroshi Sako; Hiromichi Fujisawa (DRR, 2003)

Form Reading based on Form-type Identification and Form-data Recognition. - Hiroshi Sako; Minenobu Seki; Naohiro Furukawa; Hisashi Ikeda; Atsuhiro Imaizumi (ICDAR, 2003)

Toward Personalized Digital Library for Providing "Information JIT". - Hisashi Ikeda; Naohiro Furukawa; Katsumi Marukawa; Hiromichi Fujisawa (Document Analysis Systems, 2004)

D-Pen: a digital pen system for public and business enterprises. - Naohiro Furukawa; Hisashi Ikeda; Yosuke Kato; Hiroshi Sako (IWFHR, 2004)

Data model and architecture of a paper-digital document management system. - Kosuke Konishi; Naohiro Furukawa; Hisashi Ikeda (ACM Symposium on Document Engineering, 2007)

Mobile-phone indoor localization based on microwave identification using web-access time. - Masaaki Yamamoto; Tomoaki Ohtsuki; Hironori Utsumi; Naohiro Furukawa (WiSNet, 2014)