HY

Hiroshi Yoshikawa

HI Hitachi: 1 patents #1,533 of 3,950Top 40%
NL Nissei Limited: 1 patents #5 of 19Top 30%
Overall (2002): #28,557 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D464644 Telephone exchange equipment Takashi Ohwada, Toshihiko Umeda 2002-10-22
6418767 Round die type form rolling apparatus Toshinaka Shinbutsu, Minoru Yoshizawa, Shuichi Amano, Katsuyuki Nakata, Hiroshi Okino 2002-07-16
6379948 Microbe SKB-1152 strain, and method of bleaching pulp therewith Takeshi Iimori, Reiji Kaneko, Makoto Machida 2002-04-30