HS

Haruo Sakamoto

EA E.I. Du Pont De Nemours And: 6 patents #1,240 of 8,010Top 20%
AC Adtec Engineering Co.: 1 patents #14 of 25Top 60%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
NE Nec: 1 patents #7,889 of 14,502Top 55%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Canon: 1 patents #14,899 of 19,416Top 80%
📍 Kasai, JP: #877 of 5,842 inventorsTop 20%
Overall (All Time): #526,488 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5980420 Control system for toroidal type continuously variable transmission Hidenao Takedomi, Kazuhiko Ueda, Toshihiko Osumi 1999-11-09
5257067 Apparatus for placing film mask in contact with object Shigeo Nagashima, Katuya Sangu 1993-10-26
5011420 Connector apparatus having an ejecting mechanism 1991-04-30
4838814 Connector apparatus for connecting a signal line with an external circuit Nobuei Takai, Kouzou Uekido, Michiaki Nishiyama 1989-06-13
4810200 IC-pack connector apparatus having ejecting function 1989-03-07
4725698 Electric connector device Nobuei Takai, Kouzou Uekido, Michiaki Nishiyama 1988-02-16
4721484 Integrated circuit package with terminals having receptacles with elastic contacts Fumihisa Kawai 1988-01-26
4720277 Receptacle 1988-01-19
4659158 Electric connector with contact holding mechanism Motomu Kajiura 1987-04-21
4471990 Railroad car wheel Kenji Hirakawa, Shigeru Suzuki, Shigeo Sugawara 1984-09-18