Inventor · disambiguated record
Katsuji Yamaguchi
Also filed as: YAMAGUCHI KATSUJI
7 granted patents·99 citations·filing 1979–2022
83Inventor score
Top patents by PatentIndex Score
7 records- 0193US4250596AFastening system for securing a trim-fixing device to a substrateNIFCO INC·Filed 1979·Granted Feb 17, 1981·75 cites·8 claims
- 0289US10926970B2Post-processing apparatus, image forming apparatus incorporating the same, and image forming system incorporating the sameRICOH CO LTD·Filed 2019·Granted Feb 23, 2021·6 cites·9 claims
- 0388US11465873B2Post-processing apparatus and image forming systemRICOH CO LTD·Filed 2021·Granted Oct 11, 2022·2 cites·10 claims
- 0470US7657176B2Method, apparatus, and system for evaluating faulty point in multi-stage optical amplifying and repeating transmission lineFUJITSU LTD·Filed 2005·Granted Feb 2, 2010·5 cites·5 claims
- 0567US8326144B2Transmission path monitoring method and deviceYAMAGUCHI KATSUJI·Filed 2009·Granted Dec 4, 2012·5 cites·14 claims
- 0659US11981531B2Sheet feeding device and image forming apparatusSUZUKI RYO·Filed 2022·Granted May 14, 2024·0 cites·11 claims
- 0759US7280763B2Terminal apparatus and controlling method for optical output powerFUJITSU LTD·Filed 2004·Granted Oct 9, 2007·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →