Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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EIICHI KOGA — 20 Patents

Panasonic: 18 patents #1,189 of 21,108Top 6%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Osaka, JP: #2,116 of 24,344 inventorsTop 9%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
EIICHI KOGA has been granted 20 US patents while listed as an inventor at Panasonic. The first was granted in 1998 and the most recent in July 2025. EIICHI KOGA ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list EIICHI KOGA in Osaka, JP.

Patents per Year

Patents granted per year, 1998 to 2025Bar chart with a peak of 5 patents in 2024.peak 51998: 1 patents19982004: 1 patents2011: 1 patents20112013: 1 patents2016: 1 patents20162020: 1 patents2021: 3 patents20212022: 2 patents2023: 1 patents20232024: 5 patents2025: 3 patents2025

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12374715 Battery having a solid-state battery cell and a buffer layer 2025-07-29
12362385 Battery having a plurality of solid-state battery cells 2025-07-15
12327872 All-solid battery including line-shaped structural defect in solid electrolyte layer or current collector 2025-06-10
12113244 Battery 2024-10-08
12074292 Laminated battery Kazuyoshi Honda, Akira Kawase, Noboru Masuda, Takeshi Yamasaki 2024-08-27
12051816 Laminated battery Kazuyoshi Honda, Akira Kawase, Kouji Nishida, Noboru Masuda, Takeshi Yamasaki 2024-07-30
12021184 Solid electrolyte and battery using same 2024-06-25
11888158 Battery Kazuhiro Morioka, Yasutaka Tsutsui 2024-01-30
11545284 Varistor assembly Yoshiko Higashi, Masayuki Takagishi 2023-01-03
11509027 Battery Kazuhiro Morioka, Yasutaka Tsutsui 2022-11-22
11276515 Varistor and method for producing same Yoshiko Higashi 2022-03-15
11081727 Solid electrolyte and electricity storage device using the same Yoshiko Higashi 2021-08-03
11037709 Varistor and manufacturing method thereof Yoshiko Higashi 2021-06-15
11005104 Battery 2021-05-11
10763558 Battery including thermal-expandable layer between pair of current collectors, and battery stack 2020-09-01
9337355 Voltage nonlinear resistor and multilayer varistor using same Masayuki Hogiri, Yoshiko Higashi 2016-05-10
8400254 Surge absorbing element Noriko Sawada, Mikinori Amisawa, Seiichi Minami, Hirofumi Yamada, Tomohisa Okimoto 2013-03-19 $78,000
7973638 Voltage non-linear resistor ceramic composition and multilayer varistor using the same Noriko Sawada 2011-07-05 $90,000
D492267 Composite electronic component Keiji Kawajiri, Tomohisa Okimoto 2004-06-29
5815063 Positive temperature coefficient thermistor and fabrication method thereof Yasushi Goto, Takuoki Hata 1998-09-29 $229,000