Inventor
OGATA KENJI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “OGATA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAI ICHI SEIKO CO LTD
17 patentsUS10397685B2Aug 27, 2019
Earphone
DAI ICHI SEIKO CO LTD2 citations73
US11360300B2Jun 14, 2022
Movable reflective device
DAI ICHI SEIKO CO LTD6 citations72
US7008575B2Mar 7, 2006
Resin sealing mold and resin sealing method
DAI ICHI SEIKO CO LTD5 citations71
US10484796B2Nov 19, 2019
Speaker device and method for manufacturing speaker device
DAI ICHI SEIKO CO LTD1 citations61
US11448619B2Sep 20, 2022
Substance detecting element
DAI ICHI SEIKO CO LTD1 citations60
US7887313B2Feb 15, 2011
Mold apparatus for resin encapsulation and resin encapsulation method
DAI ICHI SEIKO CO LTD2 citations59
US11284196B2Mar 22, 2022
Vibration device
DAI ICHI SEIKO CO LTD0 citations56
US10104477B2Oct 16, 2018
Speaker for generating sound based on digital signal
DAI ICHI SEIKO CO LTD0 citations52
US10021473B2Jul 10, 2018
Digital speaker, speaker system, and earphones
DAI ICHI SEIKO CO LTD0 citations52
US8029720B2Oct 4, 2011
Resin sealing apparatus and resin sealing method
DAI ICHI SEIKO CO LTD1 citations52
US10951965B2Mar 16, 2021
Bone conduction device
DAI ICHI SEIKO CO LTD0 citations51
US11067541B2Jul 20, 2021
Ultrasonic sensor
DAI ICHI SEIKO CO LTD0 citations50
US7413425B2Aug 19, 2008
Resin sealing mold and resin sealing method
DAI ICHI SEIKO CO LTD1 citations50
US10638234B2Apr 28, 2020
Speaker system
DAI ICHI SEIKO CO LTD0 citations40
US10481391B2Nov 19, 2019
Movable reflective element and two-dimensional scanning device
DAI ICHI SEIKO CO LTD0 citations40
US10473917B2Nov 12, 2019
Movable reflection device and reflection surface drive system utilizing same
DAI ICHI SEIKO CO LTD0 citations40
US8342837B2Jan 1, 2013
Resin sealing apparatus
DAI ICHI SEIKO CO LTD0 citations31
I PEX INC
6 patentsUS11913906B2Feb 27, 2024
Substance detection device with improved efficiency
I PEX INC0 citations60
US12533048B2Jan 27, 2026
Oral cavity attachment tool and halitosis measurement system
I PEX INC0 citations56
US12205129B2Jan 21, 2025
Information management system, information management method, and program
I PEX INC0 citations51
US12343686B2Jul 1, 2025
Detection system
I PEX INC0 citations43
US12442806B2Oct 14, 2025
Odor detection device, odor detection method, and program
I PEX INC0 citations41
US12203913B2Jan 21, 2025
Odor detection system, odor detection method, and program
I PEX INC0 citations41