HS

Hideo Sugihara

DI Diatop: 9 patents #2 of 4Top 50%
Overall (All Time): #426,964 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6754964 Mowing head used for mower Hajime Tomita 2004-06-29
5526572 Cutting head for a cord type mower Hajime Tomita 1996-06-18
5522140 Cutting head for a cord type mower Hajime Tomita 1996-06-04
5522141 Cutting head for a cord type mower Hajime Tomita 1996-06-04
5311665 Cutting head for a cord type mower Hajime Tomita 1994-05-17
5295306 Cutting head for a cord type mower Hajima Tomita 1994-03-22
5293692 Cutting head for a cord type mower Hajime Tomita 1994-03-15
5293691 Cutting head for a cord type mower Hajime Tomita 1994-03-15
5222301 Cutting head for a cord type mower Hajime Tomita 1993-06-29
5025561 Guide bar for a chain saw Kazuhito Sugihara 1991-06-25
4819332 Oil supply structure of chain saw Mitsukazu Takisita, Daijo Hirose 1989-04-11
4321750 Chain guide for a chain saw 1982-03-30