SU

Shinjiro Umetsu

NE Nec: 8 patents #1,742 of 14,502Top 15%
NC Nippon Electric Co.: 5 patents #15 of 792Top 2%
NT NTT: 3 patents #1,627 of 4,871Top 35%
Overall (All Time): #357,645 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5832366 Radio selective call receiver 1998-11-03
5485146 Paging receiver Yasuhiro Kobayashi 1996-01-16
5193220 Device for mounting an electronic part Makoto Ichinohe, Masahiro Matai, Seiji Nishikawa 1993-03-09
5079559 Dual plate antenna Masahiro Matai, Seiji Nishikawa 1992-01-07
4956641 Radio paging device having circuitry of rewriting a stored message with error-free characters Masahiro Matai, Takashi Oyagi, Yutaka Ichikawa 1990-09-11
4955084 Paging receiver with metallic display frame structure increasing antenna gain Toshihiro Mori 1990-09-04
4796024 Selective calling receiver with automatic memory storage and turn-on indication Kazushige Sakoh, Hiroshi Arakawa, Hiroyuki Yamaguchi, Tatsuaki Sekigawa, Toshiyasu Takasugi +1 more 1989-01-03
4768031 Radio paging receiver having a message protection capability Toshihiro Mori 1988-08-30
4734694 Pager Yutaka Ichikawa, Koichi Nagata 1988-03-29
4631640 Portable radio device for protecting a radio circuit from static electricity Takashi Oyamada 1986-12-23
4599615 Pager receiver comprising a memory storing a sequence of information signals to be tested 1986-07-08
4481675 Pulse detecting circuit of receiver for use in digital radio communication system Yoshio Ichikawa 1984-11-06
4380832 Portable radio communication device having signal processing circuit with presetting function Koichi Nagata 1983-04-19
4340973 Selective calling receiver including a voltage converter with low power consumption 1982-07-20