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USPTO Patent Rankings Data through Dec 31, 2025
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Daisuke Kubo — 28 Patents

Panasonic: 14 patents #1,678 of 21,108Top 8%
JCJ.S.T. Mfg. Co.: 8 patents #38 of 255Top 15%
Ricoh Company: 3 patents #4,832 of 9,818Top 50%
TCToyama Chemical Co.: 1 patents #169 of 270Top 65%
NINichicon: 1 patents #25 of 79Top 35%
JCJitsubo Co.: 1 patents #9 of 9Top 100%
FUFujifilm: 1 patents #3,076 of 4,519Top 70%
Osaka, JP: #1,332 of 24,344 inventorsTop 6%
Overall (All Time): #134,628 of 4,157,543Top 4%
28 Patents All Time
Daisuke Kubo has been granted 28 US patents while listed as an inventor at Panasonic. The first was granted in 2003 and the most recent in October 2025. Daisuke Kubo ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Daisuke Kubo in Osaka, JP.

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12456586 Electrolytic capacitor Keito SATO, Toshifumi Kadokawa, Junichi Kurita 2025-10-28
12371541 Conductive polymer dispersion liquid, electrolytic capacitor, and method for producing electrolytic capacitor Hiroyuki Arima, Tomoyuki Tashiro, Kazuhiro Takatani, Kenta Chashiro, Shumpei Matsushita 2025-07-29
12176157 Electrolytic capacitor and method for producing the same Shumpei Matsushita, Kenta Chashiro, Hiroyuki Arima 2024-12-24
11945923 Conductive polymer dispersion liquid, electrolytic capacitor, and method for producing electrolytic capacitor Hiroyuki Arima, Tomoyuki Tashiro, Kazuhiro Takatani, Kenta Chashiro, Shumpei Matsushita 2024-04-02
11776762 Electrolytic capacitor Miyoko Masuda, Yuichiro Tsubaki, Tatsuji Aoyama 2023-10-03
11769638 Power storage device comprising an electricity storage element, a case with an opening, and a sealing member sealing the opening DOYU HACHISU, Nobuyuki Matsuzawa, Miyoko Masuda 2023-09-26
11749464 Electrolytic capacitor Yuichiro Tsubaki, Tatsuji Aoyama 2023-09-05
11594380 Electrolytic capacitor using a sealing member including an elastic member DOYU HACHISU 2023-02-28
11575095 Photoelectric conversion device, process cartridge, and image forming apparatus Hidetoshi Kami, Suzuka Nozoe, Tomoharu Asano, Tetsuya Toshine, Nozomu Tamoto +2 more 2023-02-07 $940,000
11482383 Electrolytic capacitor Miyoko Masuda, Yuichiro Tsubaki, Tatsuji Aoyama 2022-10-25
11420997 Peptide synthesis method Hideaki Suzuki, Susumu Muto, Shuji Fujita 2022-08-23
10755865 Electrolytic capacitor and method for manufacturing same Yoshinori Takamuku, DOYU HACHISU 2020-08-25
10522297 Power storage device and manufacturing method thereof Masayuki Takahashi, Yukihiro Shimasaki, Tomoyuki Tashiro, Tatsuji Aoyama 2019-12-31
10431392 Electrical storage device, manufacturing method of the same, and separator Masayuki Takahashi, Yukihiro Shimasaki, Tomoyuki Tashiro, Tatsuji Aoyama 2019-10-01
10073363 Photoconductor, image forming apparatus, process cartridge, and method of manufacturing photoconductor Mitsuaki Hirose, Hiroshi Hashiguchi 2018-09-11
9887045 Power storage device and manufacturing method thereof Masayuki Takahashi, Yukihiro Shimasaki, Tomoyuki Tashiro, Tatsuji Aoyama 2018-02-06
9875853 Electrical storage device, manufacturing method of the same, and separator Masayuki Takahashi, Yukihiro Shimasaki, Tomoyuki Tashiro, Tatsuji Aoyama 2018-01-23
9624215 Amine derivative or salt thereof Tadashi Tanaka, Yoshitake Konishi, Masataka Fujino, Issei Doi, Daisuke Nakagawa +2 more 2017-04-18
9110438 Flange member, photosensitive drum, process cartridge, image forming apparatus, and image forming method Keiichi Yano, Akira Nakamura, Yoko Arai 2015-08-18
8273263 Ionic compound Takayuki Ueda, Hideyuki Tahara, Keiichiro Mizuta, Hironobu Hashimoto, Taisuke Kasahara 2012-09-25
D492257 Electric connector Masato Naganawa, Katsuyoshi Fujiwara 2004-06-29
D492258 Electric connector Masato Naganawa, Katsuyoshi Fujiwara 2004-06-29
D491889 Electric connector Masato Naganawa, Katsuyoshi Fujiwara 2004-06-22
D475017 Electric connector Masato Naganawa, Katsuyoshi Fujiwara 2003-05-27
D474749 Electric connector Masato Naganawa, Katsuyoshi Fujiwara 2003-05-20