Inventor · disambiguated record
Takayuki Hasumi
Also filed as: HASUMI TAKAYUKI
7 granted patents·183 citations·filing 1994–2008
86Inventor score
Top patents by PatentIndex Score
7 records- 0194US6846998B2Switch connecting structure for timepieceCITIZEN WATCH CO LTD·Filed 2003·Granted Jan 25, 2005·97 cites·5 claims
- 0285US7746731B2Electronic device with solar cellCITIZEN HOLDINGS CO LTD·Filed 2005·Granted Jun 29, 2010·11 cites·15 claims
- 0378US7961557B2Analog electronic watchCITIZEN HOLDINGS CO LTD·Filed 2007·Granted Jun 14, 2011·10 cites·20 claims
- 0473US6244742B1Self-winding electric power generation watch with additional functionCITIZEN WATCH CO LTD·Filed 1999·Granted Jun 12, 2001·50 cites·18 claims
- 0561US8295128B2Radio-controlled timepieceHASUMI TAKAYUKI·Filed 2008·Granted Oct 23, 2012·5 cites·8 claims
- 0634US5898646AWatch with extended dialCITIZEN WATCH CO LTD·Filed 1996·Granted Apr 27, 1999·5 cites·8 claims
- 0733US5592443AStructure of a watch and assembling method thereofCITIZEN WATCH CO LTD·Filed 1994·Granted Jan 7, 1997·5 cites·14 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →