Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10577735 | Skin material and conveyance seat | Tatsuro Ogawa, Takashi Kojima | 2020-03-03 |
| 10507747 | Conveyance seat | Kazuhiro Tsurumi, Ryuji Isobe, Shinichiro Motoda, Gen Tanabe, Daichi Ito +2 more | 2019-12-17 |
| 10272963 | Conveyance seat | Tatsuro Ogawa | 2019-04-30 |
| 10093370 | Seat device | Tatsuro Ogawa, Ryuji Isobe | 2018-10-09 |
| 10086893 | Straddle-type seat | Tatsuro Ogawa, Haruhiko Kawada, Tomokazu Kuma | 2018-10-02 |
| 9308956 | Seat for two-wheeled vehicle | Hiroshi Yogo | 2016-04-12 |
| 7425040 | Outdoor vehicle seat | — | 2008-09-16 |
| 7267702 | Polishing composition | Kouji Taira, Shigeaki Takashina | 2007-09-11 |
| 7226500 | Additive for heating asphalt | Ryoichi Tamaki, Takashi Mukai | 2007-06-05 |
| 6840991 | Asphalt emulsion composition | Ryoichi Tamaki, Hirotaka SASAKI | 2005-01-11 |
| 6786961 | Stabilizer for asphalt emulsion | Ryoichi Tamaki, Hirotaka SASAKI | 2004-09-07 |