1
Tadao Ohnaka, Katsuo Komiya, Hiroyuki Moriyama: Packing material for reversed phase chromatography and process for its preparation. Tosoh Corporation, Oblon Spivak McClelland Maier & Neustadt, March 16, 1993: US05194333 (40 worldwide citation)

A packing material for reversed phase chromatography, which comprises silica gel with its entire surface substantially coated with repeating units of a polycarbosilane of the formula (I): ##STR1## wherein R.sub.1 is an octyl group, an octadecyl group or a phenyl group, R.sub.2 is a methyl group or a ...


2
Hidekazu Takano, Tokio Yoshimitsu, Akinori Hibino, Yoshihide Sawa, Motoyuki Toki, Yang Wu, Yuen C Tak, Tadao Ohnaka: Method of fabricating an internal composite layer composed of an electrically insulating substrate with a copper layer formed thereon and a film of a coupling agent covering the copper layer for a multilayer circuit board. Matsushita Electric Works, Armstrong Westerman Hattori McLeland & Naughton, August 29, 1995: US05445698 (5 worldwide citation)

An internal composite layer for a multilayer circuit board, which is composed of an electrically insulating substrate with a copper layer formed thereon and a film of a coupling agent covering the copper layer is fabricated in accordance with the following method. That is, the copper layer is treate ...


3
Tadao Ohnaka, Tetsuo Kawashima, Kensaku Naito: Multiple signal processing unit for utility wiring by receiver/LAN and utility wiring system by receiver/LAN. Armstrong Westerman & Hattori, September 9, 2003: US06618447

A unit which processes multiple signals transmitted through utility wiring by receiver/LAN has a utility wiring connecting terminal (


4
Tadao Ohnaka, Shinsuke Nagai, Masashi Iwai, Kazuhiro Yushina, Kenichiro Shimizu: Computer network constructing method and computer network. Westerman Hattori Daniels & Adrian, March 18, 2004: US20040053638-A1

A computer network which uses a community wiring for TV or wired broadcast and which is hardly influenced by disconnection, short-circuit and noise. The network is a coaxial cable network (1) which can transmit a mixed signal of the received signal of a receiver and a digital signal modulated into a ...