Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351280 | Small planing watercraft and method of controlling small planing watercraft | Yoshinobu Uozumi, Kazuki Ueda | 2025-07-08 |
| 11577547 | Pneumatic tire and method of manufacturing same | — | 2023-02-14 |
| 11459071 | Personal watercraft | Hideaki Ebisui, Yoshinobu Uozumi | 2022-10-04 |
| 11001349 | Personal watercraft | Kazumasa Hisada, Hironori Kato, Toshio Araki | 2021-05-11 |
| 10576789 | Pneumatic tire | Hiroshi Furusawa | 2020-03-03 |
| 10131188 | Pneumatic tire | Hiraku Kouda | 2018-11-20 |
| 9346324 | Pneumatic tire | Isamu Kishizoe | 2016-05-24 |
| D741249 | Automobile tire | Hiraku Kouda, Kenichi Sato | 2015-10-20 |
| D740747 | Automobile tire | Kenichi Sato, Hiraku Kouda | 2015-10-13 |
| 8646498 | Pneumatic tire with tread having shallower notched lug grooves | — | 2014-02-11 |
| 7770619 | Pneumatic tire with tread having lateral grooves and sub grooves | Hiroshi Hata | 2010-08-10 |
| D616819 | Separator for fuel cell | Hideo Ohara, Hikaru Murakami, Kazuhito Hatoh | 2010-06-01 |
| 7704623 | Fuel cell separator | Hideo Ohara, Hikaru Murakami, Kazuhito Hatoh, Takeshi Tomizawa | 2010-04-27 |
| D605593 | Separator for fuel cell | Hideo Ohara, Hikaru Murakami, Kazuhito Hatoh | 2009-12-08 |
| D605594 | Separator for fuel cell | Hideo Ohara, Hikaru Murakami, Kazuhito Hatoh | 2009-12-08 |
| 7501199 | Fuel cell separator | Hideo Ohara, Hikaru Murakami, Kazuhito Hatoh, Takeshi Tomizawa | 2009-03-10 |
| D585826 | Separator for fuel cell | Hideo Ohara, Hikaru Murakami, Kazuhito Hatoh | 2009-02-03 |
| 6921308 | Engine and personal watercraft | Yoshinobu Tanaka, Yoshimoto Matsuda, Atsufumi Ozaki | 2005-07-26 |
| 6875069 | Air-intake system of multi-cylinder engine of small watercraft | Toshio Araki | 2005-04-05 |
| 6705908 | Jet-propulsion watercraft | Yoshimoto Matsuda | 2004-03-16 |
| 5976693 | Synthetic fiber of acrylic series with animal-hair feeling | Satoru Harada, Ikuo Okino | 1999-11-02 |