HS

Hirofumi Shimizu

Nissan Motor Co.: 4 patents #24 of 421Top 6%
HI Hitachi: 1 patents #1,745 of 4,225Top 45%
HC Hitachi Ulsi Systems Co.: 1 patents #69 of 311Top 25%
Overall (2003): #9,865 of 273,478Top 4%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6569051 Infinite speed ratio continuously variable transmission Hiroyuki Hirano, Kazuhiro Yamada, Yasushi Narita, Tatsuya Nagato, Hiromasa Sakai +5 more 2003-05-27
6565481 Input torque limiting device for an infinitely variable transmission Nobusuke Toukura, Masayuki Yasuoka 2003-05-20
6561941 Infinite speed ratio transmission Masaki Nakano, Hiroyuki Hirano 2003-05-13
6559027 Semiconductor device and process for producing the sme Norio Ishitsuka, Hideo Miura, Shuji Ikeda, Norio Suzuki, Yasushi Matsuda +7 more 2003-05-06
6517461 Infinitely variable transmission 2003-02-11