Inventor · disambiguated record
Eiji Otsuka
Also filed as: INOUE SHIGERU · OTSUKA EIJI
11 granted patents·4 pending applications·214 citations·filing 1977–2025
91Inventor score
Top patents by PatentIndex Score
15 records- 0186US5573140AMetallic vacuum double-walled containerNIPPON OXYGEN CO LTD·Filed 1995·Granted Nov 12, 1996·71 cites·1 claims
- 0281US6427880B1Plug structure for drinking containerNIPPON OXYGEN CO LTD·Filed 2001·Granted Aug 6, 2002·34 cites·6 claims
- 0373US4173615AChemical apparatus for corrosive materialsMITSUI TOATSU CHEMICALS·Filed 1977·Granted Nov 6, 1979·22 cites·2 claims
- 0467US6648168B2Insulated containerNIPPON OXYGEN CO LTD·Filed 2001·Granted Nov 18, 2003·17 cites·6 claims
- 0564US5758205ALens barrelOLYMPUS OPTICAL CO·Filed 1996·Granted May 26, 1998·25 cites·46 claims
- 0661US2025314632A1Information processing device, information processing method, and information processing programZENSHO HOLDINGS CO LTD·Filed 2025·Application pending·0 cites
- 0756US5588197AMethod of manufacturing metallic vacuum double-walled containerNIPPON OXYGEN CO LTD·Filed 1995·Granted Dec 31, 1996·18 cites·2 claims
- 0855US6668057B1Apparatus for receiving tone signal, apparatus for transmitting tone signal, and apparatus for transmitting or receiving tone signalTOSHIBA KK·Filed 2000·Granted Dec 23, 2003·4 cites·16 claims
- 0947US5583595ALens barrelOLYMPUS OPTICAL CO·Filed 1994·Granted Dec 10, 1996·11 cites·28 claims
- 1043US2005230399A1Vacuum insulating double vessel and method for manufacturing the sameTHERMOS KK·Filed 2004·Application pending·0 cites
- 1143US2003146224A1Heat insulating containerFiled 2001·Application pending·0 cites
- 1236US5345283ALens barrelOLYMPUS OPTICAL CO·Filed 1992·Granted Sep 6, 1994·2 cites·24 claims
- 1335US5058142AClock extracting circuit in digital-line signal receiverTOSHIBA KK·Filed 1990·Granted Oct 15, 1991·10 cites·10 claims
- 1432US2006190675A1Control apparatusTOSHIBA KK·Filed 2006·Application pending·0 cites
- 1526US4154760AProcess for controlling the temperature during urea synthesisMITSUI TOATSU CHEMICALS·Filed 1977·Granted May 15, 1979·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Eiji Otsuka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →