KA

Kazuhiko Arikawa

Casio Computer Co.: 9 patents #266 of 1,970Top 15%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Overall (All Time): #506,461 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10289602 Calculation apparatus, displaying method in calculation apparatus, and recording medium Hironori Yoshikawa, Toshibumi Takashima, Hiroaki Yoshizawa, Shinichi Tamamoto 2019-05-14
10235328 Calculation device, calculation method, and storage medium Hiroaki Yoshizawa, Hironori Yoshikawa, Toshibumi Takashima 2019-03-19
10185698 Electronic device, computational processing method and storage medium 2019-01-22
9390051 Electronic calculator and method for controlling the same 2016-07-12
5907317 Graph displaying devices and methods Hidekazu Tanaka, Takuya Mashimo, Syunsuke Akaza 1999-05-25
5836666 Electronic calculating apparatus Takaharu Aoyama, Teiji Sindo, Mitsuru Okano 1998-11-17
5739823 Graph display devices Shunsuke Akaza, Akihiro Handa, Hidekazu Tanaka, Makoto Ozawa 1998-04-14
5587994 Cartridge used for a disc-shaped recording medium Toshikazu Nagaura, Zenjiro Yamashita, Kenji Ohta 1996-12-24
5539867 Graph display apparatus for displaying different graphs of a functional formula based on inputted coefficient data Akihiro Handa, Yukihiro Nakano, Osamu Negishi 1996-07-23
5535317 Graph display apparatus for different coordinate systems Hidekazu Tanaka, Yoshinori Asayama, Syunsuke Akaza, Kyoko Lin, Osamu Negishi +1 more 1996-07-09