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USPTO Patent Rankings Data through Dec 31, 2025
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Naoki Imachi — 30 Patents

SCSanyo Electric Co.: 29 patents #80 of 6,347Top 2%
NCNippon Soda Co.: 2 patents #207 of 648Top 35%
SGSunstar Giken: 1 patents #57 of 106Top 55%
TIToray Industries: 1 patents #2,000 of 3,690Top 55%
Kasai, JP: #219 of 5,842 inventorsTop 4%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
Naoki Imachi has been granted 30 US patents while listed as an inventor at Sanyo Electric Co.. The first was granted in 2002 and the most recent in May 2025. Naoki Imachi ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Naoki Imachi in Kasai, JP.

Patents per Year

Patents granted per year, 2002 to 2025Bar chart with a peak of 4 patents in 2012.peak 42002: 2 patents20022003: 1 patents2006: 1 patents20062008: 1 patents2009: 2 patents20092011: 2 patents2012: 4 patents20122013: 4 patents2014: 2 patents20142015: 2 patents2016: 3 patents20162017: 3 patents2018: 1 patents20182019: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12308394 Rectangular secondary battery Tomoyuki Yamada, Daisuke Ikeda, Kazuaki Tamura 2025-05-20
10388960 Non-aqueous electrolyte battery and method of manufacturing the same Takeshi Ogasawara, Hiroshi Minami, Atsushi Kaiduka, Yasunori Baba, Yoshinori Kida +1 more 2019-08-20
9929401 Positive electrode active material for non-aqueous electrolyte secondary battery having rare earth hydroxide and/or oxyhydroxide Takeshi Ogasawara 2018-03-27
9761880 Non-aqueous electrolyte battery and method of manufacturing the same Takeshi Ogasawara, Hiroshi Minami, Atsushi Kaiduka, Yasunori Baba, Yoshinori Kida +1 more 2017-09-12
9711826 Nonaqueous electrolyte secondary battery Hiroyuki Matsumoto, Takeshi Ogasawara 2017-07-18
9570740 Nonaqueous electrolyte secondary battery and method for manufacturing nonaqueous electrolyte secondary battery Takeshi Ogasawara, Hiroyuki Matsumoto 2017-02-14
9444097 Positive electrode for nonaqueous electrolyte secondary battery, method for producing the same, and nonaqueous electrolyte secondary battery Takanobu Chiga, Daisuke Kato 2016-09-13
9350043 Nonaqueous electrolyte secondary battery Hiroyuki Matsumoto, Takeshi Ogasawara 2016-05-24
9331337 Non-aqueous electrolyte secondary battery and method for producing the same Hiroyuki Matsumoto, Takeshi Ogasawara 2016-05-03
9077024 Non-aqueous electrolyte battery and method of manufacturing the same Takeshi Ogasawara, Hiroshi Minami, Atsushi Kaiduka, Yasunori Baba, Yoshinori Kida +1 more 2015-07-07
9023521 Nonaqueous electrolyte secondary battery Tadayoshi Tanaka, Mai Yokoi, Hiroshi Minami 2015-05-05
8822076 Non-aqueous electrolytic secondary battery and positive electrode for non-aqueous electrolytic secondary battery Takeshi Ogasawara, Kentaro Takahashi 2014-09-02
8741483 Positive electrode active material for non-aqueous electrolyte secondary battery having rare earth hydroxide and/or oxyhydroxide Takeshi Ogasawara 2014-06-03
8603674 Composition for electrode of nonaqueous electrolyte secondary battery, electrode for nonaqueous electrolyte secondary battery using the same and nonaqueous electrolyte secondary battery Tadayoshi Tanaka, Hiroshi Minami, Kazunari Yasumura, Kunihiro Iwai, Daisuke Imai 2013-12-10
8512898 Separator for nonaqueous electrolyte battery and nonaqueous electrolyte battery Yasunori Baba, Atsushi Nakajima, Michihiko Irie, Masanori Nakamura 2013-08-20
8372544 Non-aqueous electrolyte secondary battery Yasunori Baba, Takeshi Ogasawara 2013-02-12
8354188 Polymer for lithium ion secondary battery and lithium ion secondary battery using same Yasuo Takano, Seiji Yoshimura, Shin Fujitani, Satoshi Nishikawa, Shinji Bessyo 2013-01-15
8298708 Lithium secondary battery Hiroshi Minami 2012-10-30
8293406 Positive electrode active material for non-aqueous electrolyte secondary battery, process for preparing the same, and positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery Takeshi Ogasawara, Yasunori Baba 2012-10-23
8263260 Method of manufacturing positive electrode for non-aqueous electrolyte battery, slurry used therefor, and non-aqueous electrolyte battery Nobuhiro Sakitani, Masaaki Tanaka 2012-09-11
8142929 Positive electrode for non-aqueous electrolyte battery and non-aqueous electrolyte battery Nobuhiro Sakitani, Atsushi Kaizuka, Takeshi Niitani, Masato Amaike 2012-03-27
8053112 Non-aqueous electrolyte battery and method of manufacturing the same Atsushi Kaiduka, Yasunori Baba, Yoshinori Kida, Shin Fujitani 2011-11-08
7968229 Positive electrode for non-aqueous electrolyte battery and non-aqueous electrolyte battery Nobuhiro Sakitani, Atsushi Kaizuka, Takeshi Niitani, Masato Amaike 2011-06-28
7572548 Non-aqueous electrolyte battery and method of manufacturing the same Denis Yau Wai Yu, Shin Fujitani 2009-08-11
7510806 Lithium secondary battery including a lithium bis(trifluoromethylsulfonyl)imide electrolyte and a glass fiber separator Seiji Yoshimura, Keiji Saishou, Masanobu Takeuchi 2009-03-31