Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tomoyuki Yamada — 61 Patents

SOSocionext: 9 patents #18 of 541Top 4%
NTNTT: 8 patents #658 of 4,871Top 15%
HEHitachi Kokusai Electric: 6 patents #150 of 843Top 20%
Panasonic: 4 patents #6,210 of 21,108Top 30%
KEKokusai Electric: 4 patents #142 of 583Top 25%
IBM: 3 patents #26,335 of 70,183Top 40%
SESeiko Epson: 3 patents #3,864 of 7,774Top 50%
SCSanyo Electric Co.: 3 patents #1,910 of 6,347Top 35%
FLFujitsu Semiconductor Limited: 3 patents #229 of 1,301Top 20%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
FIFujifilm Business Innovation: 2 patents #3,180 of 5,238Top 65%
BIBando Chemical Industries: 2 patents #120 of 303Top 40%
NENtt Electronics: 2 patents #99 of 358Top 30%
KSKyocera Circuit Solutions: 2 patents #2 of 12Top 20%
Ricoh Company: 1 patents #6,943 of 9,818Top 75%
KRKabushikikaisha Raifu: 1 patents #4 of 8Top 50%
OCOki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
PSPrime Planet Energy & Solutions: 1 patents #94 of 228Top 45%
SCShin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
YEYokogawa Electric: 1 patents #658 of 1,441Top 50%
YCYokowo Co.: 1 patents #88 of 176Top 50%
Overall (All Time): #37,626 of 4,157,543Top 1%
61 Patents All Time
Tomoyuki Yamada has been granted 61 US patents while listed as an inventor at Socionext. The first was granted in 1992 and the most recent in December 2025. Tomoyuki Yamada ranks #37,626 of 4,157,543 US inventors in our database (top 0.91%). Patent records list Tomoyuki Yamada in Yokohama, NY, JP.

Patents per Year

Patents granted per year, 1992 to 2025Bar chart with a peak of 8 patents in 2020.peak 81992: 2 patents19921993: 2 patents1994: 1 patents1999: 1 patents19992003: 1 patents2004: 1 patents2008: 2 patents20082009: 1 patents2010: 2 patents2011: 3 patents20112012: 5 patents2013: 4 patents2014: 1 patents20142015: 1 patents2016: 2 patents2017: 3 patents20172018: 3 patents2020: 8 patents2021: 1 patents20212022: 2 patents2023: 3 patents2024: 5 patents20242025: 7 patents2025

Issued Patents All Time

Showing 1–25 of 61 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12489149 Secondary battery Daichi KOBORI, Kazutaka MITA 2025-12-02
12438242 Secondary battery Kanichi Tamura, Yoshifumi Magari, Atsutoshi Ako, Akira NISHIDA, Kentaro Tsukamoto 2025-10-07
12396167 Semiconductor storage device 2025-08-19
12306533 Optical device manufacturing method and manufacturing apparatus using local etching Yoshinori Hibino, Mikihiro Kurosawa, Manabu Oguma, Masahiro Yanagisawa 2025-05-20
12308394 Rectangular secondary battery Naoki Imachi, Daisuke Ikeda, Kazuaki Tamura 2025-05-20
12293930 Substrate processing apparatus, method of manufacturing semiconductor device and heater Shinobu Sugiura, Masaaki Ueno, Tetsuya Kosugi, Hitoshi Murata, Masashi Sugishita 2025-05-06
12206137 Battery and manufacturing method therefor Takashi Hosokawa, Ryoichi Wakimoto 2025-01-21
12176530 Electrode plate and method for manufacturing same, and secondary battery and method for manufacturing same Kazuaki Tamura, Yoshifumi Magari, Atsutoshi Ako, Akira NISHIDA, Kentaro Tsukamoto 2024-12-24
12064924 Image processing device, image processing method, three-dimensional object forming device, and non-transitory computer-readable storage medium storing computer program Kazumi Yamada, Takeshi Tsuchiya 2024-08-20
11917682 Wireless LAN system and interference control method Kenichi Kawamura, Yasushi Takatori, Hiroshi Nakamoto, Keisuke Wakao, Shota NAKAYAMA 2024-02-27
11895693 Random access wireless communication system and random access wireless communication method Keisuke Wakao, Kenichi Kawamura, Akira Kishida, Shota NAKAYAMA, Yasushi Takatori +1 more 2024-02-06
11882479 Wireless LAN communication device and wireless LAN communication method Kenichi Kawamura, Yasushi Takatori, Hiroshi Nakamoto, Keisuke Wakao, Shota NAKAYAMA 2024-01-23
11817216 Search method and information processing system Masato Nishihara 2023-11-14
11809766 Image processing device, image processing method, three-dimensional object forming device, and non-transitory computer-readable storage medium storing computer program Takeshi Tsuchiya, Kazumi Yamada 2023-11-07
11688480 Semiconductor storage device 2023-06-27
11309320 Semiconductor storage device 2022-04-19
11289351 Substrate processing apparatus, method of manufacturing semiconductor device, and recording medium Tadashi Kontani, Shigenori TEZUKA 2022-03-29
11145907 Method for producing secondary battery having negative electrode with different surface roughnesses Ryosuke Shirota, Tetsuya Matsuda, Kazuma Mima 2021-10-12
10825697 Substrate processing apparatus, method of manufacturing semiconductor device, and recording medium Tadashi Kontani, Seiyo Nakashima, Mikio Ohno 2020-11-03
10822471 Friction drive belt Shinji Takahashi, Kenichiro Furuta, Hiroyuki Shiriike, Hiroyuki Tachibana 2020-11-03
10813215 Multi-layer circuit using metal layers as a moisture diffusion barrier for electrical performance Jean Audet, Edmund Blackshear, Masahiro Fukui, Charles L. Reynolds, Kenji Terada 2020-10-20 $3,651,000
10806030 Multi-layer circuit using metal layers as a moisture diffusion barrier for electrical performance Jean Audet, Edmund Blackshear, Masahiro Fukui, Charles L. Reynolds, Kenji Terada 2020-10-13 $4,674,000
D894271 Printer Ayumu Nakamura, Hiroto Miyauchi 2020-08-25
10687420 Multi-layer circuit using metal layers as a moisture diffusion barrier for electrical performance Jean Audet, Edmund Blackshear, Masahiro Fukui, Charles L. Reynolds, Kenji Terada 2020-06-16 $3,682,000
10672720 Semiconductor device and method of producing semiconductor device Fumio Ushida, Shigetoshi Takeda, Tomoharu Awaya, Koji Banno, Takayoshi Minami 2020-06-02