KI

Kazumasa Ito

SI Sanshin Industries: 2 patents #8 of 57Top 15%
RE Ricoh Elemex: 1 patents #1 of 4Top 25%
Overall (2002): #26,601 of 266,432Top 10%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6431925 Jet propulsion system for watercraft Tetsuya Ishino 2002-08-13
6412125 Head/face washing device, shower nozzle with hood, comb-shaped scalp washer and head washing shower brush Mikito Tanaka, Nobuhiro Takeda, Toshiko Yokoi 2002-07-02
6383040 Jet propulsion system for watercraft Tetsuya Ishino, Chihiro Matsumoto 2002-05-07