Inventor · disambiguated record
Tohru Nakajima
Also filed as: NAKAJIMA TOHRU
13 granted patents·398 citations·filing 1980–1999
94Inventor score
Files withYOSHITOMI PHARMACEUTICAL4ASAHI OPTICAL CO LTD2LAUREL BANK MACHINE CO2MITSUBISHI GAS CHEMICAL CO1NIPPON STARCH REFINING1
Top patents by PatentIndex Score
13 records- 0189US6663960B1Fluorescent particles, method for preparing the same and paper preventing forgery using the fluorescent particleTOKUSHU PAPER MFG CO LTD·Filed 1999·Granted Dec 16, 2003·62 cites·38 claims
- 0281US5001137APyridine compounds and pharmaceutical use thereofYOSHITOMI PHARMACEUTICAL·Filed 1989·Granted Mar 19, 1991·19 cites·3 claims
- 0377US5021432ABenzopyran compound and its pharmaceutical useYOSHITOMI PHARMACEUTICAL·Filed 1989·Granted Jun 4, 1991·20 cites·7 claims
- 0474US5580553ACosmetic composition containing alkenylsuccinic acid ester of saccharideNIPPON STARCH REFINING·Filed 1994·Granted Dec 3, 1996·43 cites·9 claims
- 0573US4408602ALaser knife deviceASAHI OPTICAL CO LTD·Filed 1981·Granted Oct 11, 1983·90 cites·5 claims
- 0670US4564867AVideo disc recording and reproducing device for video discs having recognition signal indicative of content of associated program signalUNIVERSAL PIONEER CORP·Filed 1981·Granted Jan 14, 1986·19 cites·5 claims
- 0769US5058978AOptical divider for multimode optical fiber systemsMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Oct 22, 1991·38 cites·9 claims
- 0867US5576825APattern detecting apparatusLAUREL BANK MACHINE CO·Filed 1995·Granted Nov 19, 1996·45 cites·13 claims
- 0958US5143936ABenzopyran compound and its pharmaceutical useYOSHITOMI PHARMACEUTICAL·Filed 1991·Granted Sep 1, 1992·11 cites·5 claims
- 1056US5346049ACoin discriminator using a plurality of optical fiber groupsLAUREL BANK MACHINE CO·Filed 1993·Granted Sep 13, 1994·27 cites·16 claims
- 1155US5318969ABenzopyran compound and its pharmaceutical useYOSHITOMI PHARMACEUTICAL·Filed 1992·Granted Jun 7, 1994·9 cites·4 claims
- 1251US4831446AVideo signal output selection circuitPIONEER ELECTRONIC CORP·Filed 1988·Granted May 16, 1989·11 cites·6 claims
- 1335US4359308ACounterbalance device for laser knifeASAHI OPTICAL CO LTD·Filed 1980·Granted Nov 16, 1982·4 cites·5 claims
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