| NOKA 2073963 · TMA1162460 | an individual | 28 Toys | Registered | 2023 |
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| NOKA 1951617 · TMA1152475 | Noka, LLC | 29 Meat32 Beer | Registered | 2022 |
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| NIKA 1786393 · TMA1021451 · design | an individual | 6 Metal12 Vehicles16 Paper+5 | Registered | 2019 |
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| NUKA 1638622 · TMA1045680 | LIDL STIFTUNG & CO. KG | 30 Coffee | Registered | 2019 |
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| NAKA 1404559 · TMA799759 | NAKA SALES LTD. | 5 Pharmaceuticals16 Paper | Registered | 2011 |
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| NAKA 2307922 · design | Eligma Ltd. | 36 Finance42 Science | Pending | 2023 |
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| NOKA 2225713 | Noka, LLC | 30 Coffee32 Beer | Pending | 2022 |
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| NKW 2096466 · TMA1150733 | NKW Products, LLC | 25 Clothing | Registered | 2022 |
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| NK 1916294 · TMA1111126 · design | 9378-7570 Québec Inc d.b.a. WINK.LOVE | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2021 |
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| NK 1822680 · TMA1058171 | THOMPSON-PALLISTER BAIT CO. LTD. | 28 Toys | Registered | 2019 |
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| NKS 1624453 · TMA921834 · design | National Kwikmetal Service LLC | 6 Metal40 Treatment | Registered | 2015 |
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| NKC 1613203 · TMA897972 | Nakanishi Metal Works, Co. Ltd. | 7 Machines9 Electronics | Registered | 2015 |
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| NCA 1563784 · TMA844365 · design | Noritake Coated Abrasive Co., Ltd. (Kabushiki Kaisha Noritake Coated Abrasive) | 3 Cosmetics21 Housewares | Registered | 2013 |
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| NSA 1485035 · TMA804992 | SANKYO RIKAGAKU KABUSHIKI-KAISHA (also trading as SANKYO RIKAGAKU CO. LTD. outside Japan) | 3 Cosmetics20 Furniture | Registered | 2011 |
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| NQA 1430508 · TMA824274 · design | NQA Certification Limited | 35 Advertising41 Education42 Science | Registered | 2012 |
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| NKK 1428595 · TMA788635 · design | NKK SWITCHES CO. LTD | 9 Electronics11 Lighting17 Rubber+1 | Registered | 2011 |
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| NKK 1375638 · TMA743365 | NKK SWITCHES CO. LTD | 9 Electronics17 Rubber | Registered | 2009 |
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| NKO 1173027 · TMA637251 · design | an individual | 5 Pharmaceuticals | Registered | 2005 |
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| NKO 1173026 · TMA635266 | an individual | 5 Pharmaceuticals | Registered | 2005 |
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| NK 1044588 · TMA553701 | an individual | 16 Paper29 Meat30 Coffee+2 | Registered | 2001 |
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| NK 0841486 · TMA521073 · design | an individual | 30 Coffee31 Fresh | Registered | 2000 |
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| NSA 0837473 · TMA489334 · design | The Juice Plus+ Company, LLC | 5 Pharmaceuticals9 Electronics11 Lighting+2 | Registered | 1998 |
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| NQA 0790029 · TMA506987 | NQA Certification Limited | 35 Advertising41 Education42 Science | Registered | 1999 |
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| NK 0647175 · TMA387995 · design | NIKKO ELECTRIC MFG. CO. LTD. | 9 Electronics | Registered | 1991 |
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| NKK 0342672 · TMA203434 · design | NKK SWITCHES CO. LTD | 7 Machines9 Electronics11 Lighting+2 | Registered | 1974 |
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