Inventor · disambiguated record
Hideaki Nagatsuma
Also filed as: NAGATSUMA HIDEAKI
4 granted patents·2 pending applications·341 citations·filing 1999–2001
83Inventor score
Files withSEIKO INSTR INC4
Top patents by PatentIndex Score
6 records- 0193US6449583B1Portable measurement apparatusSEIKO INSTR INC·Filed 2000·Granted Sep 10, 2002·97 cites·30 claims
- 0289US6285314B1Portable GPS type distance/speed meter capable of changing sampling period of GPS signal in response to arm swinging periodSEIKO INSTR INC·Filed 2000·Granted Sep 4, 2001·88 cites·2 claims
- 0388US6532432B1Portable GPS velosity/distance meterSEIKO INSTR INC·Filed 1999·Granted Mar 11, 2003·78 cites·20 claims
- 0487US6388613B1Portable GPS type distance/speed meter capable of selectively using doppler speed measuring methodSEIKO INSTR INC·Filed 2000·Granted May 14, 2002·78 cites·9 claims
- 0544US2002093787A1Arm wear type communication device and high dielectric chip antennaFiled 2001·Application pending·0 cites
- 0635US2002004704A1Portable GPS receiving device, navigation device and navigation systemFiled 2001·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →