KH

Keiji Hasegawa

CH Chuo Hatsujo: 1 patents #6 of 18Top 35%
HI Hitachi: 1 patents #1,533 of 3,950Top 40%
Overall (2002): #55,617 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6483816 CDMA communication system and its transmission power control method Katsuhiko Tsunehara, Takashi Yano, Nobukazu Doi, Takaki Uta 2002-11-19
6375174 Curved helical compression spring Toshiyuki Imaizumi 2002-04-23