HK

Hiroyuki Koseki

Bridgestone: 24 patents #59 of 2,860Top 3%
BL Bridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
Overall (All Time): #165,962 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
5827381 Pneumatic radial tires including a tire component containing groups of reinforcing elements Toshiya Miyazono, Yoshihide Kohno, Yoichi Okamoto 1998-10-27
5824171 Pneumatic radial tires including a tire component containing groups of reinforcing elements Toshiya Miyazono, Yoshihide Kohno, Yoichi Okamoto 1998-10-20
5766384 Pneumatic radial tires including a tire component containing groups of reinforcing elements Toshiya Miyazono, Yoshihide Kohno, Yoichi Okamoto 1998-06-16
5762733 Pneumatic radial tires including a tire component containing groups of reinforcing elements Toshiya Miyazono, Yoshihide Kohno, Yoichi Okamoto 1998-06-09
5465773 Pneumatic radial tires with zigzag belt and rubberized cord ply belt reinforcing layer Kuninobu Kadota, Kenji Toyoda 1995-11-14
5332016 Pneumatic tires with sidewall recesses Makoto Tsuruta, Hiroyuki Iida, Yasuhiko Kobayashi 1994-07-26
5271445 Pneumatic tire including wave-shaped cords or filaments Yoshihide Kohno, Kuninobu Kadota, Norinaga Matsushita 1993-12-21
5261476 Bead structure for pneumatic tire Yasuhiko Kobayashi 1993-11-16
5253689 Heavy duty radial tire carcass profile Kiyoshi Sato, Kuninobu Kadota, Tatsuro Shimada 1993-10-19
5225013 Pneumatic radial tire including wavy or zigzag belt cords Yasuo Ohsawa, Yoshihide Kohno 1993-07-06
5205880 Pneumatic tires with recesses in the bead region Hiroyuki Iida, Makoto Tsuruta, Yasuhiko Kobayashi 1993-04-27
5205881 Pneumatic tire for passenger car including wave-shaped belt reinforcing elements Yoshihide Kohno 1993-04-27
5203934 Pneumatic radial tire with high durable bead portions Hiroyuki Iida 1993-04-20
5131447 Pneumatic radial tire Hidemitsu Nakagawa 1992-07-21
5082042 Belt arrangement for high durable pneumatic radial tire Yasuhiko Kobayashi, Yumi Kawame 1992-01-21
5054532 Pneumatic tires with wavy or zigzag cord ply between belt and carcass Yoshihide Kohno, Yasuhiko Kobayashi, Kiyoshi Sato 1991-10-08
5052457 Pneumatic radial tire with high durable bead portions Hiroyuki Iida 1991-10-01
5004031 Pneumatic tire with a strip reinforcing laminate having filaments arranged together in an undulating form Kuninobu Kadota, Yoshihide Kohno 1991-04-02
4934429 Low-section pneumatic radial tires Takashi Kukimoto, Yoshinobu Shoyama 1990-06-19
4934430 Pneumatic radial tire Yasuhiko Kobayashi, Takashi Kukimoto 1990-06-19
4915151 Heavy duty radial tire carcass profile Kiyoshi Sato, Kuninobu Kadota, Tatsuro Shimada 1990-04-10
4840213 Heavy duty low profile pneumatic radial tires 1989-06-20
4715419 Large-size pneumatic radial tire for use on rough road with belt having specified cord Kiyohito Kawasaki, Michitaka Sato, Tamotsu Matsunuma 1987-12-29
4669520 Heavy duty pneumatic radial tires Jun Watanabe, Nanako Takano 1987-06-02
4508152 Pneumatic radial tires having an improved bead portion durability Shigehisa Sano, Isao Seto, Mana Minomura 1985-04-02