Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
NT

Naoki Toshima — 8 Patents

UNUnknown: 4 patents #4,220 of 83,584Top 6%
ACApt Co.: 2 patents #4 of 21Top 20%
HMHitachi Maxell: 1 patents #659 of 1,211Top 55%
ZEZeon: 1 patents #435 of 734Top 60%
3M: 1 patents #7,251 of 11,543Top 65%
HCHokushin Co.: 1 patents #11 of 54Top 25%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Naoki Toshima has been granted 8 US patents while listed as an inventor at Unknown. The first was granted in 1990 and the most recent in September 2018. Naoki Toshima ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Naoki Toshima in Tokyo, MO, JP.

Patents per Year

Patents granted per year, 1990 to 2018Bar chart with a peak of 2 patents in 2010.peak 21990: 1 patents19902004: 1 patents20042005: 1 patents20052008: 1 patents20082010: 2 patents20102012: 1 patents20122018: 1 patents2018

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10084124 Thermoelectric conversion material-containing resin composition and film formed from thermoelectric conversion material-containing resin composition Keisuke OSHIMA, Yosuke Ohkawachi, Shoko ICHIKAWA 2018-09-25
8287768 Polythienylenevinylene thermoelectric conversion material Yuji Hiroshige 2012-10-16 $22,951,000
7838043 Superoxide anion decomposing agent Yusei Miyamoto, Takao Asano 2010-11-23
7771799 Liquid crystal-soluble particle, method for manufacturing the same and liquid crystal device element Shunsuke Kobayashi, Jirakorn Thisayukta, Yukihide Shiraishi, Shigenobu Sano, Atsushi Baba 2010-08-10 $11,211,000
7452554 Platinum nanocolloid solution, process for producing the same and drink containing platinum nanocolloid Yusei Miyamoto, Masashi Kajita 2008-11-18
6875253 Metal alloy fine particles and method for producing thereof Hideo Daimon, Yukiko Kurobe 2005-04-05 $81,000
6759587 Thermoelectric materials, thermoelectric device, and method for producing thermoelectric materials Hu Yan, Kohsuke Kamei, Akinori Tsubata, Takashi Tokuda 2004-07-06
4902776 Preparation of poly-p-phenylene with (1) aluminum chloride and (2) CU(I) Cl or VCl.sub.3 Hidefumi Hirai, Keiichi Kanaka, Atsunori Koshirai 1990-02-20