Inventor
KAWANA KENJI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KAWANA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TABATA CO LTD
10 patentsUS6749370B1Jun 15, 2004
Buoyancy compensating jacket
TABATA CO LTD21 citations92
US6202644B1Mar 20, 2001
Diving snorkel
TABATA CO LTD21 citations92
US6119685ASep 19, 2000
Diving snorkel
TABATA CO LTD30 citations92
US5937850AAug 17, 1999
Snorkel with exhalation valve
TABATA CO LTD27 citations92
US6477709B1Nov 12, 2002
Buoyancy compensator jacket for diver
TABATA CO LTD17 citations83
US6503114B2Jan 7, 2003
Diving jacket
TABATA CO LTD12 citations73
US6582157B1Jun 24, 2003
Diving jacket
TABATA CO LTD8 citations71
US6592417B2Jul 15, 2003
Diving jacket
TABATA CO LTD4 citations62
US6579138B2Jun 17, 2003
Buoyancy regulator for diving
TABATA CO LTD3 citations62
US6568972B2May 27, 2003
Swim fins
TABATA CO LTD4 citations62
FUJITSU LTD
3 patentsUS7650369B2Jan 19, 2010
Database system management method and database system
FUJITSU LTD3 citations59
US9703599B2Jul 11, 2017
Assignment control method, system, and recording medium
FUJITSU LTD1 citations50
US12456009B2Oct 28, 2025
Non-transitory computer-readable recording medium, information processing method, and information processing apparatus
FUJITSU LTD0 citations49