Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YI

Yuichiro Ikeda

PAPanasonic: 10 patents #2,582 of 21,108Top 15%
SHShimadzu: 4 patents #448 of 2,007Top 25%
Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%
RERenesas Electronics: 2 patents #1,855 of 4,529Top 45%
ACAlps Electric Co.: 2 patents #822 of 2,177Top 40%
NENec: 1 patents #7,889 of 14,502Top 55%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
TLTeijin Fibers Limited: 1 patents #22 of 77Top 30%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
Overall (All Time): #158,882 of 4,157,543Top 4%
25 Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12306208 Information providing system, server device, and analyzer Kazuma Watanabe, Hiroshi Arai, Masato Hirade, Hideo Nakajima, Kenji Yamasaki +1 more 2025-05-20
11454647 Scanning type probe microscope and control device for scanning type probe microscope Kazuma Watanabe, Keita Fujino, Masato Hirade, Kenji Yamasaki, Hideo Nakajima +1 more 2022-09-27
10641790 Scanning probe microscope Kazuma Watanabe, Keita Fujino, Eiji Iida, Masato Hirade, Kenji Yamasaki +2 more 2020-05-05
10598691 Scanning probe microscope and light intensity adjusting method Kazuma Watanabe, Keita Fujino, Eiji Iida, Masato Hirade, Kenji Yamasaki +2 more 2020-03-24
10546073 Communication simulating system, communication simulating method, and vehicle communication apparatus Yosuke Morita, Katsunori Miyazawa, Yuki Harada, Akiei Satani 2020-01-28
10476613 Communication state analysis method and communication state analysis system Kanata Yamashita, Masaaki Kawamata 2019-11-12
10128172 Semiconductor device and method for manufacturing the same Satoshi Kotani 2018-11-13
9917037 Semiconductor device including a first internal circuit, a second internal circuit and a switch circuit unit Satoshi Kotani 2018-03-13
9251896 Variable resistance nonvolatile memory device and method for writing into the same Kazuhiko Shimakawa, Yoshikazu Katoh, Ken Kawai 2016-02-02
9114489 Method of adjusting capacities of combustion chambers of a multi-cylinder engine Tsuyoshi Yamamoto, Yasushi Nakahara, Takayuki Yamada, Kazuya Hayashi 2015-08-25
9105332 Variable resistance nonvolatile memory device Kazuhiko Shimakawa, Koji Katayama, Takumi Mikawa, Kiyotaka Tsuji 2015-08-11
9001557 Variable resistance nonvolatile memory element writing method and variable resistance nonvolatile memory device Ken Kawai, Kazuhiko Shimakawa, Yoshikazu Katoh 2015-04-07
8942050 Method of inspecting variable resistance nonvolatile memory device and variable resistance nonvolatile memory device Hiroshi Tomotani, Kazuhiko Shimakawa, Ryotaro Azuma, Yoshikazu Katoh 2015-01-27
8848422 Variable resistance nonvolatile memory device and driving method thereof Hiroshi Tomotani, Kazuhiko Shimakawa 2014-09-30
8848424 Variable resistance nonvolatile memory device, and accessing method for variable resistance nonvolatile memory device Kazuhiko Shimakawa, Ryotaro Azuma 2014-09-30
8798843 Vehicle diagnosing apparatus Kazumori Sakai, Taku Makita, Hiroki Hashimoto, Yosuke Morita 2014-08-05
8687409 Variable resistance nonvolatile memory device Kazuhiko Shimakawa, Ryotaro Azuma, Ken Kawai 2014-04-01
8675387 Variable resistance nonvolatile memory device and programming method for same Kazuhiko Shimakawa, Yoshihiko Kanzawa, Shunsaku Muraoka, Yoshikazu Katoh 2014-03-18
8467228 Variable resistance nonvolatile memory device Kazuhiko Shimakawa, Ryotaro Azuma 2013-06-18
8467229 Variable resistance nonvolatile memory device Kazuhiko Shimakawa, Ryotaro Azuma 2013-06-18
7375958 Card adaptor Yoshimasa Kuroda 2008-05-20
7239572 Multiport memory 2007-07-03
7021085 Concave and convex-patterned multi-colored fiber pile fabric Takuya Tamura 2006-04-04
6979227 Card adapter including metallic cover member connected to ground 2005-12-27
5319321 Digital PLL circuit 1994-06-07