Inventor · disambiguated record
Hiroyoshi Takagi
Also filed as: TAKAGI HIROYOSHI
15 granted patents·228 citations·filing 1976–2000
93Inventor score
Top patents by PatentIndex Score
15 records- 0183US4553717ARecording tape cartridgeHITACHI MAXELL·Filed 1983·Granted Nov 19, 1985·25 cites·8 claims
- 0278US7027385B1Optical disk, disk substrate, and driveHITACHI MAXELL·Filed 1999·Granted Apr 11, 2006·30 cites·18 claims
- 0377US4367292AMethod for manufacture of powder composition for cordieriteAGENCY IND SCIENCE TECHN·Filed 1981·Granted Jan 4, 1983·25 cites·4 claims
- 0473US4447020AMagnetic recording tape cartridgeHITACHI MAXELL·Filed 1982·Granted May 8, 1984·22 cites·4 claims
- 0572US5338713ASintered body of alumina and partially stabilized zirconia, a process for making the same and a method of preparing a powder for sinteringAGENCY IND SCIENCE TECHN·Filed 1993·Granted Aug 16, 1994·25 cites·5 claims
- 0670US5725819AInjection molding method for board for IC cardHITACHI MAXELL·Filed 1995·Granted Mar 10, 1998·27 cites·19 claims
- 0769US6687216B1Cartridge in which disk is storedSANYO ELECTRIC CO·Filed 2000·Granted Feb 3, 2004·8 cites·2 claims
- 0862US4556153AMagnetic recording tape cartridgeHITACHI MAXELL·Filed 1984·Granted Dec 3, 1985·30 cites·18 claims
- 0959US4463918AMagnetic recording tape cartridgeHITACHI MAXELL·Filed 1981·Granted Aug 7, 1984·10 cites·10 claims
- 1044US6191366B1Board for IC card having component mounting recessHITACHI MAXELL·Filed 1997·Granted Feb 20, 2001·11 cites·16 claims
- 1137USD435854SDisc cartridgeHITACHI MAXELL·Filed 1999·Granted Jan 2, 2001·3 cites·1 claims
- 1237US4084979AMagnesia ceramic for insulation of high-frequency electricityAGENCY IND SCIENCE TECHN·Filed 1976·Granted Apr 18, 1978·5 cites·2 claims
- 1335US5177033ASintered body of light transmitting cordierite and a method of preparing the sameAGENCY IND SCIENCE TECHN·Filed 1991·Granted Jan 5, 1993·4 cites·7 claims
- 1431US4741496ATape cartridgeHITACHI MAXELL·Filed 1986·Granted May 3, 1988·3 cites·17 claims
- 1528US5002912AOxide sintered productAGENCY IND SCIENCE TECHN·Filed 1990·Granted Mar 26, 1991·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →