Inventor · disambiguated record
Ryoichi Nakajima
Also filed as: NAKAJIMA RYOICHI
13 granted patents·194 citations·filing 1986–2010
92Inventor score
Files withMARUZEN PETROCHEM CO LTD6NAT FOOD RES INST MINISTRY OF2AGENCY IND SCIENCE TECHN1ALPS ELECTRIC CO LTD1AZUMA MASAYUKI1
Top patents by PatentIndex Score
13 records- 0181US4705618AProcess for the preparation of an intermediate pitch for manufacturing carbon productsMARUZEN PETROCHEM CO LTD·Filed 1986·Granted Nov 10, 1987·30 cites·7 claims
- 0273US5182011AProcess for preparing pitchesMARUZEN PETROCHEM CO LTD·Filed 1990·Granted Jan 26, 1993·27 cites·29 claims
- 0372US5736030AProcess for manufacturing fine particles of pitch with a high softening pointMARUZEN PETROCHEM CO LTD·Filed 1995·Granted Apr 7, 1998·27 cites·18 claims
- 0464US4789456AProcess for preparing mesophase pitchesAGENCY IND SCIENCE TECHN·Filed 1987·Granted Dec 6, 1988·15 cites·6 claims
- 0563US5091072AProcess for preparing pitchesMARUZEN PETROCHEM CO LTD·Filed 1990·Granted Feb 25, 1992·18 cites·16 claims
- 0662US4818449AProcess to prevent crack formation in the production of carbon fibersITARU TODOROK DIRECTOR GENERAL·Filed 1986·Granted Apr 4, 1989·15 cites·10 claims
- 0759US4820401AProcess for the preparation of mesophase pitchesIIZUKA KOZO·Filed 1987·Granted Apr 11, 1989·14 cites·17 claims
- 0858US6194344B1Process for preparing carbonaceous material carrying ultrafinely dispersed metalMARUZEN PETROCHEM CO LTD·Filed 1999·Granted Feb 27, 2001·23 cites·12 claims
- 0946US6551829B1Drying-resistant, practical baker's yeastNAT FOOD RES INST MINISTRY OF·Filed 1999·Granted Apr 22, 2003·8 cites·6 claims
- 1040US5240613AProcess for regenerating clogged filtersMARUZEN PETROCHEM CO LTD·Filed 1992·Granted Aug 31, 1993·11 cites·12 claims
- 1136US6410303B1Frozen dough-resistant, practical baker's yeastNAT FOOD RES INST MINISTRY OF·Filed 1997·Granted Jun 25, 2002·3 cites·2 claims
- 1224US9127322B2Yeast having immunopotentiating capability and food or feedAZUMA MASAYUKI·Filed 2010·Granted Sep 8, 2015·0 cites·2 claims
- 1323US5052116AMethod and apparatus for measuring azimuthALPS ELECTRIC CO LTD·Filed 1990·Granted Oct 1, 1991·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →