RN

Ryoichi Nakase

Yamaha Motor: 3 patents #3 of 98Top 4%
SI Sanshin Industries: 1 patents #24 of 57Top 45%
Overall (2002): #12,468 of 266,432Top 5%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6478644 Exhaust pipe cooling system for watercraft Shigeyuki Ozawa, Hiroaki Fujimoto 2002-11-12
6425789 Small watercraft Naoki Katoh, Shigeyuki Ozawa, Masayoshi Nanami 2002-07-30
6371819 Throttle position sensor mounting arrangement for personal watercraft engine Sigeyuki Ozawa 2002-04-16
RE37631 Exhaust timing control for a planing-type boat Masayoshi Nanami 2002-04-09