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Noboru Nagai

KI Kioritz: 12 patents #14 of 197Top 8%
Overall (All Time): #427,023 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6786187 Internal combustion engine Yumin Liu 2004-09-07
6546907 Four-stroke cycle internal combustion engine Yumin Liu 2003-04-15
6394060 Lubricating method and device of internal combustion engine Yumin Liu 2002-05-28
6332440 Four-stroke cycle internal combustion engine Yumin Liu, Tsuneo Araki 2001-12-25
6283084 Four-stroke cycle internal combustion engine Yumin Liu, Tsuneo Araki 2001-09-04
6202613 Four-stroke cycle internal combustion engine — 2001-03-20
5881687 Two-stroke internal combustion engine Yukio Sakaguchi, Shigeru Sato, Yasuharu Sato 1999-03-16
5826567 Two-stroke internal combustion engine Yukio Sakaguchi, Shigeru Sato, Yasuharu Sato 1998-10-27
5373119 Exhaust muffler for internal combustion engine Kiyoshi Suzuki, Tadashi Ozaki, Isao Masuda 1994-12-13
5206467 Muffler with a catalyst Akira Sageshima, Tadashi Ozaki, Isao Masuda 1993-04-27
5139107 Exhaust muffler for internal combustion engines — 1992-08-18
4872308 Exhaust device for working machine Yoshisato Hashimoto, Yoshihiko Tsuboike, Noboru Kaito 1989-10-10