Inventor · disambiguated record
Koichi Isaji
Also filed as: ISAJI KOICHI
7 granted patents·1 pending application·182 citations·filing 1986–2023
85Inventor score
Top patents by PatentIndex Score
8 records- 0185US5390293AInformation processing equipment capable of multicolor displayHITACHI LTD·Filed 1993·Granted Feb 14, 1995·80 cites·22 claims
- 0268US5511201AData processing apparatus, power supply controller and display unitHITACHI LTD·Filed 1992·Granted Apr 23, 1996·34 cites·9 claims
- 0364US2025382455A1Resin composition, prepreg, film with resin, metal foil with resin, metal-clad laminate, and wiring boardPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 0463US5867148ASpace-saving information processing apparatusHITACHI LTD·Filed 1992·Granted Feb 2, 1999·42 cites·27 claims
- 0549US12286500B2Resin composition, prepreg, resin-equipped film, resin- equipped metal foil, metal-clad laminate, and wiring boardPANASONIC IP MAN CO LTD·Filed 2022·Granted Apr 29, 2025·0 cites·14 claims
- 0648US5812859AInformation processing apparatus with work suspend/resume functionHITACHI LTD·Filed 1997·Granted Sep 22, 1998·22 cites·7 claims
- 0743US10785868B2Multilayer printed wiring board and method for producing multilayer printed wiring boardPANASONIC IP MAN CO LTD·Filed 2017·Granted Sep 22, 2020·0 cites·4 claims
- 0824US4757190AOptical circuitHITACHI LTD·Filed 1986·Granted Jul 12, 1988·4 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Koichi Isaji 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 →