YH

Yukio Hayashi

HI Hitachi: 3 patents #420 of 3,950Top 15%
FI Fujifilm Business Innovation: 3 patents #15 of 422Top 4%
FU Fujikura: 1 patents #12 of 50Top 25%
NT NTT: 1 patents #53 of 275Top 20%
Overall (2002): #3,322 of 266,432Top 2%
7
Patents 2002

Issued Patents 2002

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6434286 Optical signal switching apparatus Sunao Kakizaki, Hideaki Tsushima, Shinichi Kuwano 2002-08-13
6430379 Image forming apparatus using intermediate transfer medium Masaaki Takahashi, Naoto Yoshino, Masao Ohkubo, Takashi Kawabata, Yoko Miyamoto +1 more 2002-08-06
6425692 Connecting structure for optical connector Kunihiko Fujiwara, Yoshikazu Nomura, Hiroshi Yokosuka, Masaaki Takaya, Shinji Nagasawa 2002-07-30
6362905 Optical crossconnect apparatus and optical transmission system Yasuyuki Fukashiro, Shigeki Kitajima, Tatsuo Kanetake, Masahiro Takatori, Shoichi Hanatani +1 more 2002-03-26
6349192 Tandem type image forming apparatus Naoto Yoshino, Shuji Iseki, Minoru Niwa, Takashi Kawabata, Masaaki Takahashi +3 more 2002-02-19
6347196 Image sticking reducing method and apparatus Takashi Kawabata, Shuji Iseki, Keiji Yamamoto, Naoto Yoshino, Naoto Nishi +3 more 2002-02-12
6341032 Method and system for reducing optical surge Yasuyuki Fukashiro, Hideaki Tsushima 2002-01-22