Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D614855 | Shoe lace system | Takehiro Tagawa, Toshihiko Nakamura, Masafumi Ito | 2010-05-04 |
| 6562271 | Nonslip member and manufacturing method of nonslip member | Keiji Hiraoka, Tomohiro Hayashi | 2003-05-13 |
| 6255235 | Nonslip member and manufacturing method of nonslip member | Keiji Hiraoka, Tomohiro Hayashi | 2001-07-03 |
| 5752332 | Hard plate for spiked track shoes | Akira Kataoka, Ryuichi Tsukita, Toshio Suma, Kiyohiro Saito | 1998-05-19 |
| 5724754 | Hard plate for spiked track shoes | Akira Kataoka, Rvuichi Tsukita, Toshio Suma, Kiyohiro Saito | 1998-03-10 |
| 5689904 | Hard plate for spiked track shoes | Akira Kataoka, Ryuichi Tsukita, Toshio Suma, Kiyohiro Saito | 1997-11-25 |
| 5581913 | Hard plate for spiked track shoes | Akira Kataoka, Ryuichi Tsukita, Toshio Suma, Kiyohiro Saito | 1996-12-10 |
| 5483760 | Hard plate for spiked track shoes | Akira Kataoka, Ryuichi Tsukita, Toshio Suma, Kiyohiro Saito | 1996-01-16 |
| D343727 | Fore shoe sole | Akira Kataoka | 1994-02-01 |
| D342373 | Spike | Kiyohiro Saito, Akira Kataoka | 1993-12-21 |
| D342152 | Spike | Kiyohiro Saito, Akira Kataoka | 1993-12-14 |
| D341938 | Spike | Kiyohiro Saito, Akira Kataoka | 1993-12-07 |
| D341705 | Spike | Kiyohiro Saito, Akira Kataoka | 1993-11-30 |
| D295461 | Shoe sole | Yoshiaki Hase | 1988-05-03 |
| D294077 | Shoe sole | Junichi Kiyosawa | 1988-02-09 |
| D291743 | Shoe sole | Yoshiaki Hase | 1987-09-08 |
| D290903 | Shoe sole | Yoshiaki Hase | 1987-07-21 |
| 4523393 | Sport shoe sole | — | 1985-06-18 |
| 4506461 | Sport shoe sole | — | 1985-03-26 |
| 4359830 | Sport shoe sole | — | 1982-11-23 |
| D266966 | Sport shoe | — | 1982-11-23 |
| D266967 | Sport shoe sole unit | — | 1982-11-23 |
| 4325194 | Sport shoe sole | — | 1982-04-20 |
| 4322892 | Sport shoe sole | — | 1982-04-06 |
| 4322891 | Sport shoe sole | — | 1982-04-06 |