Inventor · disambiguated record
Seiji Nishioka
Also filed as: NISHIOKA SEIJI
2 granted patents·79 citations·filing 1995–2001
62Inventor score
Top patents by PatentIndex Score
2 records- 0175US5590399AUp-link channel assignment scheme for cellular mobile communications systems employing multi-beam antennas with beam selectionNEXTEL COMMUNICATIONS·Filed 1995·Granted Dec 31, 1996·77 cites·10 claims
- 0258US6987201B2Acetic anhydride, method of purifying crude acetic anhydride, and method of producing polyoxytetramethylene glycol using acetic anhydrideDAICEL CHEM·Filed 2001·Granted Jan 17, 2006·2 cites·5 claims
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