MK

Masahiko Koizumi

KC Koito Manufacturing Co.: 2 patents #455 of 1,047Top 45%
HG HGST: 1 patents #1,032 of 1,677Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #1,095,241 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12418765 Information processing apparatus, information processing terminal, information processing method, and program Takuto Onishi, Chihiro Sugai, Taiki Endo, Koyuru Okimoto 2025-09-16
7852589 Disk drive Masaomi Ikeda, Takao Matsui, Masato Taniguchi, Kohji Nakao, Hideaki Maeda 2010-12-14
6425431 Welding method using heating plate and welding apparatus using the same Toshitaka Naito, Tomoki Kumayama, Hiroyuki Kageyama, Fujihiko Sugiyama, Seiichi Gyotoku 2002-07-30
6280566 Vibration welding apparatus having an easy to assemble jig structure Toshitaka Naito, Seiichi Gyotoku, Fuzihiko Sugiyama, Masahiko Nishizaki 2001-08-28