RM

Ryoji Maruyama

KT Kabushiki Kaisha Toshiba: 8 patents #3,802 of 21,451Top 20%
EN Enplas: 1 patents #150 of 255Top 60%
Overall (All Time): #523,451 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6966783 Contact pin and socket for electrical parts provided with contact pin Osamu Hachuda, Naoaki Takayama 2005-11-22
6496783 Electric power calculation system 2002-12-17
6473699 Power arithmetic apparatus 2002-10-29
5924050 Arithmetic unit 1999-07-13
5554927 Electrical quantity measurement device 1996-09-10
5548151 Hall element for detecting a magnetic field perpendicular to a substrate Hideyuki Funaki, Hiroshi Mochizuki, Kanae Fujii 1996-08-20
5438258 Power multiplication circuit which reduces an offset voltage of a Hall element to zero 1995-08-01
5410594 Transmission input/output device with reduced power consumption 1995-04-25
4920312 Multiplier 1990-04-24
4676589 Optical fiber coupler for connecting two optical cables in alignment Hidekazu Miyashita 1987-06-30