TK

Toshiro Koyanagi

TA Takata: 11 patents #54 of 608Top 9%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #419,793 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9469269 Passenger retaining apparatus Teruhiko Hiruta, Hiroo Kawaguchi, Makoto Ogawa, Yoshitake Kitaguchi 2016-10-18
6412866 Child seat Noriyuki Kosugi 2002-07-02
6183044 Child seat Koji Hiramatsu, Tsuyoshi Fujiwara, Yoshinobu Sawamoto, Toshiaki Iwasaki, Atsushi Hiroshige +1 more 2001-02-06
5671971 Apparatus for adjusting fastening position of fastening means in seat belt device Yayoi Hashimoto, Haruyuki Takagi 1997-09-30
5584107 Buckle device for infant restraining seat Koji Hiramatsu, Osamu Nakagawa 1996-12-17
5413401 Restraining protective seat for infants 1995-05-09
5378038 Restraining protective foldable seat for infants Yayoi Hashimoto, Haruyuki Takagi 1995-01-03
D353057 Car chair for a child Yayoi Hashimoto 1994-12-06
5344213 Restraining protective seat for infants 1994-09-06
5303979 Apparatus for adjusting fastening position of fastening means in seat belt device Yayoi Hashimoto, Haruyuki Takagi 1994-04-19
5294185 Restraining protective seat for infants Shizutaka Matsuura 1994-03-15
D343738 Car chair Yayoi Hashimoto 1994-02-01