Inventor
FUKUTOME HIROTO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “FUKUTOME HIROTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEIKOKU PISTON RING CO LTD
6 patentsUS5582414ADec 10, 1996
Sliding member and method for manufacturing the same
TEIKOKU PISTON RING CO LTD54 citations95
US5449547ASep 12, 1995
Hard coating material, sliding member coated with hard coating material and method for manufacturing sliding member
TEIKOKU PISTON RING CO LTD62 citations95
US6508473B1Jan 21, 2003
Piston ring
TEIKOKU PISTON RING CO LTD23 citations92
US5820131AOct 13, 1998
Piston ring having wear coating consisting of Cr2 N or a mixture of Cr2 N and Cr
TEIKOKU PISTON RING CO LTD39 citations92
US5718437AFeb 17, 1998
Combined oil ring with spacer/expander having Cr2 N coating thereon
TEIKOKU PISTON RING CO LTD25 citations92
US5601293AFeb 11, 1997
Sliding member with hard ternery film
TEIKOKU PISTON RING CO LTD37 citations92