HK

Hirohiko Katayama

Canon: 12 patents #5,447 of 19,416Top 30%
KK Katayama Chemical Works Co., Ktd.: 1 patents #7 of 19Top 40%
Overall (All Time): #389,387 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6643377 Audio output system and method therefor Naoto Takahashi 2003-11-04
5563694 Printer apparatus for forming an embossed image 1996-10-08
5103485 Pattern information reading apparatus Yasuhiro Yamada, Yasuko Miyazaki, Mikiharu Matsuoka, Takashi Kanemoto 1992-04-07
5091865 Pattern reading apparatus having variable reading period Yasuhiro Yamada, Yasuko Miyazaki, Takashi Kanemoto, Mikiharu Matsuoka 1992-02-25
D315354 Book reader for the blind Eiichi Yoshioka, Nobuyoshi Katayama 1991-03-12
4885136 Method of anticorrosive treatment for soft water boilers Sakae Katayama, Toshihiko Mukai, Yoshinari Kawasaki 1989-12-05
4881900 Sensing display apparatus of image pattern Mikiharu Matsuoka, Yasuhiro Yamada, Yasuko Miyazaki, Takashi Kanemoto, Tamao Ikuta 1989-11-21
4831653 System for registering speech information to make a voice dictionary 1989-05-16
4651299 Data processing apparatus Yasuko Miyazaki, Mikiharu Matsuoka, Sakae Horyu, Takashi Kanemoto 1987-03-17
4587663 Conversation device with space and feed movement related to actuation time of control key Mikiharu Matsuoka, Sakae Horyu 1986-05-06
4580133 Display device Mikiharu Matsuoka 1986-04-01
4461023 Registration method of registered words for use in a speech recognition system 1984-07-17
D273111 Combined data input terminal and acoustic coupler Takashi Hirata, Kunio Hirose 1984-03-20