Inventor · disambiguated record
Takafumi Ichikawa
Also filed as: ICHIKAWA TAKAFUMI
8 granted patents·57 citations·filing 1984–2019
84Inventor score
Top patents by PatentIndex Score
8 records- 0168US4674352ASteering wheel deviceTOKAI RIKA CO LTD·Filed 1984·Granted Jun 23, 1987·21 cites·12 claims
- 0249US11648840B2Power conversion device and motorized vehicle using sameMITSUBISHI ELECTRIC CORP·Filed 2019·Granted May 16, 2023·0 cites·9 claims
- 0343US4768394ASteering wheel deviceTOKAI RIKA CO LTD·Filed 1986·Granted Sep 6, 1988·7 cites·5 claims
- 0442US11716049B2Rotating machine power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Aug 1, 2023·0 cites·15 claims
- 0536US4630501ASteering switch pad apparatusTOKAI RIKA CO LTD·Filed 1984·Granted Dec 23, 1986·5 cites·6 claims
- 0635US5229745AOil pressure alarm device for motor vehicleTOKAI RIKA CO LTD·Filed 1991·Granted Jul 20, 1993·13 cites·3 claims
- 0733US4742727ASteering wheel deviceTOKAI RIKA CO LTD·Filed 1986·Granted May 10, 1988·3 cites·7 claims
- 0832US5107248AOil-pressure warning apparatus for automobilesTOKAI RIKA CO LTD·Filed 1990·Granted Apr 21, 1992·8 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →