TN

Tadahisa Naganawa

TO Toyota: 6 patents #8 of 540Top 2%
Overall (1997): #2,080 of 185,788Top 2%
6
Patents 1997

Issued Patents 1997

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5678515 Valve timing control apparatus with a disallowing means Senji Kato, Atsushi Yasumura, Nobuhisa Ohkawa 1997-10-21
5664528 Valve timing control apparatus with a restricting means Senji Kato, Atsushi Yasumura, Nobuhisa Ohkawa 1997-09-09
5664529 Valve timing control apparatus with an initializing means Senji Kato, Atsushi Yasumura, Nobuhisa Ohkawa 1997-09-09
5628286 Valve timing control apparatus for engine Senji Kato, Nobuhisa Ohkawa, Shigeru Sone, Yoshihito Moriya, Yoshiya Yamashita +2 more 1997-05-13
5626108 Abnormality detecting apparatus for internal combustion engine Senji Kato, Tadashi Saito, Kouji Endou, Nobuhisa Ohkawa 1997-05-06
5623896 Valve timing control apparatus for engine Senji Kato, Atsushi Yasumura, Nobuhisa Ohkawa 1997-04-29