TT

Takehiko Takahashi

CO Combi: 45 patents #3 of 161Top 2%
MC Mitsubishi Gas Chemical Company: 7 patents #273 of 1,727Top 20%
NE Nec: 4 patents #3,388 of 14,502Top 25%
CH Chisso: 2 patents #331 of 833Top 40%
AC Asahi Organic Chemicals Industry Co.: 1 patents #21 of 67Top 35%
TC Toyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #38,226 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 26–50 of 61 patents

Patent #TitleCo-InventorsDate
D318305 Toy xylophone Yoshiyasu Ishii, Taira Hanashima 1991-07-16
5029886 Steering apparatus for baby carriage Yoshihisa Yamaguchi 1991-07-09
D317792 Toy harmonica Yoshiyasu Ishii, Taira Hanashima 1991-06-25
D317793 Toy tambourine Yoshiyasu Ishii, Taira Hanashima 1991-06-25
D317334 Toy vehicle Yoshiyasu Ishii, Taira Hanashima, Kazunobu Koike 1991-06-04
D317280 Baby stroller Tomihiro Kaneko 1991-06-04
D315179 Combined toy drum and drum stick Yoshiyasu Ishii, Taira Hanashima 1991-03-05
D315178 Toy piano Yoshiyasu Ishii, Taira Hanashima 1991-03-05
D315177 Toy accordion Yoshiyasu Ishii, Taira Hanashima 1991-03-05
D314986 Toy saxophone Yoshiyasu Ishii, Taira Hanashima 1991-02-26
D314799 Toy bell Yoshiyasu Ishii, Taira Hanashima 1991-02-19
4993743 Folding and lock mechanism for pushcart Hideo Saito, Takashi Watanabe, Tomihiro Kaneko 1991-02-19
4984813 Shopping pushcart Hideo Saito, Takashi Watanabe, Tomihioro Kaneko 1991-01-15
D311934 Toy vehicle Yoshiyasu Ishii, Susumu Matsumoto, Taira Hanashima 1990-11-06
4953887 Baby carriage capable of serving as shopping car Hitoshi Kato 1990-09-04
D308656 Baby stroller Hitoshi Katou, Masatoshi Doi, Tomihiro Kaneko 1990-06-19
4930697 Shopping basket for use with stroller Yoshiyasu Ishii, Hiroaki Matsuda 1990-06-05
4924725 Mechanism for adjusting height of handle bar of pushcart Hitoshi Kato 1990-05-15
D307772 Toy vehicle Yoshiyasu Ishii, Taira Hanashima 1990-05-08
4923208 Baby carriage also usable as shopping carrier Hitoshi Katou 1990-05-08
D307629 Auxiliary toilet seat for a child Yoshiyasu Ishii, Susumu Matsumoto, Jun Sekine 1990-05-01
4913490 Auxiliary chair mounted in vehicle Hideo Saito, Takashi Watanabe, Tomihiro Kaneko 1990-04-03
D306748 Toy vehicle Yoshiyasu Ishii, Susumu Matsumoto 1990-03-20
4894188 Process for producing fatty acids and their ester derivatives Makoto Takagawa, Tomiyoshi Furuta, Toshio Hidaka, Kazuo Takada 1990-01-16
4880277 On-vehicle auxiliary seat for infant Hideo Saito, Takashi Watanabe, Tomihiro Kaneko 1989-11-14