Inventor · disambiguated record
Eiichi Hirai
Also filed as: HIRAI EIICHI
8 granted patents·245 citations·filing 1980–2025
88Inventor score
Top patents by PatentIndex Score
8 records- 0193US4871674ACulture cellKURASHIKI BOSEKI KK·Filed 1988·Granted Oct 3, 1989·83 cites·1 claims
- 0293US4341560AWaterproof gypsum molded productKURASHIKI BOSEKI KK·Filed 1980·Granted Jul 27, 1982·62 cites·8 claims
- 0385US4411701AWaterproof gypsum molded productKURASHIKI BOSIKI KABUSHIKI KAI·Filed 1982·Granted Oct 25, 1983·38 cites·9 claims
- 0478US4330589AFoamed gypsum moulded articles and production thereofKURASHIKI BOSEKI KK·Filed 1981·Granted May 18, 1982·29 cites·11 claims
- 0555US12426337B1Semiconductor deviceNUVOTON TECHNOLOGY CORP JAPAN·Filed 2025·Granted Sep 23, 2025·0 cites·9 claims
- 0650US6307380B1Distance measuring apparatusLEVEX CORP·Filed 1999·Granted Oct 23, 2001·16 cites·6 claims
- 0747US5293031AMagnetic bar code reading system employing phase-shift type sensor having plural sensing sectionsATSUTOSHI GOTO·Filed 1991·Granted Mar 8, 1994·15 cites·20 claims
- 0829US6167440ACommunication startup processing systemFUJITSU LTD·Filed 1997·Granted Dec 26, 2000·2 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →