Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TT

Toshiaki Tanaka — 290 Patents

Toyota: 88 patents #40 of 26,838Top 1%
Kabushiki Kaisha Toshiba: 32 patents #759 of 21,451Top 4%
Nissan Motor Co.: 27 patents #122 of 8,689Top 2%
Panasonic: 21 patents #937 of 21,108Top 5%
TKToshiba Tec Kabushiki Kaisha: 15 patents #189 of 1,664Top 15%
Hitachi: 15 patents #2,639 of 28,497Top 10%
HDHitachi Displays: 13 patents #67 of 752Top 9%
KMKonica Minolta: 11 patents #208 of 2,718Top 8%
Fujitsu Limited: 11 patents #2,845 of 24,456Top 15%
HCHitachi Chemical Company: 9 patents #162 of 1,946Top 9%
GIGenesis Research Institute: 6 patents #2 of 42Top 5%
Casio Computer Co.: 6 patents #432 of 1,970Top 25%
KMKonica Minolta: 4 patents #503 of 1,361Top 40%
CCCitizen Watch Co.: 4 patents #269 of 1,225Top 25%
KDKddi: 4 patents #79 of 396Top 20%
HCHitachi Software Engineering Co.: 3 patents #54 of 502Top 15%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
DCDmg Mori Seiki Co.: 3 patents #13 of 142Top 10%
ICIdemitsu Petrochemical Co.: 2 patents #182 of 578Top 35%
DCDenyo Co.: 2 patents #12 of 39Top 35%
HKHonda Giken Koygo: 2 patents #9 of 356Top 3%
NKNihon Bunko Kogyo Kabushiki Kaisha: 2 patents #3 of 20Top 15%
NANabtesco: 2 patents #85 of 320Top 30%
NCNippondenso Co.: 2 patents #1,150 of 3,479Top 35%
CCCataler Industrial Co.: 2 patents #7 of 40Top 20%
FLFujitsu Takamisawa Component Limited: 2 patents #43 of 113Top 40%
KOKomatsu: 1 patents #1,191 of 2,087Top 60%
5M501 Hitachi Metals: 1 patents #1 of 21Top 5%
Nec: 1 patents #7,928 of 14,502Top 55%
CKCitizen Tokei Kabushiki Kaisha: 1 patents #13 of 28Top 50%
CCClover Mfg. Co.: 1 patents #24 of 39Top 65%
HMHitachi Chemical Dupont Microsystems: 1 patents #35 of 47Top 75%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
JDJapan Display: 1 patents #900 of 1,204Top 75%
TLToyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
KSKabushiki Kaisha Yamada Seisakusho: 1 patents #10 of 30Top 35%
KAKaneka: 1 patents #886 of 1,525Top 60%
KUKeio University: 1 patents #190 of 781Top 25%
KCKokusai Denshin Denwa Co.: 1 patents #219 of 382Top 60%
KUKyushu University, National University: 1 patents #221 of 767Top 30%
MAMakita: 1 patents #490 of 770Top 65%
NANachi-Fujikoshi: 1 patents #16 of 136Top 15%
NLNagano Fujitsu Component Limited: 1 patents #5 of 32Top 20%
NSNippon Soken: 1 patents #783 of 1,540Top 55%
NCNitto Electric Industrial Co.: 1 patents #106 of 298Top 40%
NDNtt Docomo: 1 patents #1,030 of 1,706Top 65%
REResonac: 1 patents #191 of 474Top 45%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
PLPilot Ink Company, Limited: 1 patents #64 of 110Top 60%
TCThe Sailor Pen Co.: 1 patents #8 of 26Top 35%
TOToshiba: 1 patents #1,121 of 2,688Top 45%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
IBM: 1 patents #44,878 of 70,183Top 65%
Overall (All Time): #1,438 of 4,157,543Top 1%
290 Patents All Time
Toshiaki Tanaka has been granted 290 US patents while listed as an inventor at Toyota. The first was granted in 1980 and the most recent in February 2025. Toshiaki Tanaka ranks #1,438 of 4,157,543 US inventors in our database (top 0.03%). Patent records list Toshiaki Tanaka in Tokyo, MH, JP.

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 24 patents in 2002.peak 241996: 2 patents19961997: 3 patents1998: 10 patents1999: 6 patents19992000: 9 patents2001: 19 patents2002: 24 patents20022003: 16 patents2004: 18 patents2005: 8 patents20052006: 9 patents2007: 7 patents2008: 4 patents20082009: 4 patents2010: 6 patents2011: 7 patents20112012: 4 patents2013: 3 patents2014: 6 patents20142015: 5 patents2016: 8 patents2017: 4 patents20172018: 7 patents2019: 4 patents2020: 3 patents20202021: 7 patents2022: 8 patents2023: 3 patents20232024: 3 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 290 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12233460 Copper paste, wick formation method, and heat pipe Hideo Nakako, Dai Ishikawa, Yoshinori Ejiri, Michiko Natori 2025-02-25
12128383 Cluster supported catalyst and production method therefor Yoshihiro Takeda, Namiki Toyama, Kazuhiro EGASHIRA, Seitoku Ito 2024-10-29 $1,293,000
12130174 Optical fiber sensing system and method for abnormal occurrence detection 2024-10-29
11998896 Cluster supported catalyst and production method therefor Yoshihiro Takeda, Namiki Toyama, Kazuhiro EGASHIRA, Seitoku Ito 2024-06-04 $1,545,000
11846341 Drive unit and maintenance method for the same Koji Ito 2023-12-19
11673126 Cluster-supporting porous carrier and method for producing same Yoshihiro Takeda, Namiki Toyama, Kazuhiro EGASHIRA, Seitoku Ito, Masahiko Ichihashi 2023-06-13 $1,042,000
11574427 Display control apparatus, display control method, and recording medium 2023-02-07
11457875 Event prediction system, sensor signal processing system, event prediction method, and non-transitory storage medium Masaru Yamaoka, Kenji Masuda, Atsushi Takahashi, Hidehiko Ichikawa 2022-10-04
D962962 Display screen with graphical user interface Ken Omae, Kana MIYATA, Yuki Minoda, Yushi Nakamura, Koh Uehara 2022-09-06
D962960 Display screen with graphical user interface Ken Omae, Kana MIYATA, Yuki Minoda, Yushi Nakamura, Koh Uehara 2022-09-06
D962961 Display screen with graphical user interface Ken Omae, Kana MIYATA, Yuki Minoda, Yushi Nakamura, Koh Uehara 2022-09-06
11313962 Presence/absence detection method, non-transitory storage medium, sensor processing system, and sensor system Masaru Yamaoka, Kenji Masuda, Atsushi Takahashi, Hidehiko Ichikawa 2022-04-26
11276318 Electronic apparatus, learning support terminal, learning support method, and recording medium 2022-03-15
11238978 Information processing method, information processing apparatus and non-transitory computer-readable recording medium storing information processing program Hiroya Tanaka, Hirofumi Kanai, Yuka Yamada, Yuko Kida 2022-02-01
11219884 Cluster supported catalyst and production method therefor Yoshihiro Takeda, Namiki Toyama, Kazuhiro EGASHIRA, Seitoku Ito 2022-01-11 $1,144,000
11197641 Communication device, abnormality notification system, and abnormality notification method Masaru Yamaoka, Kenji Masuda, Kazuhiro Watanabe 2021-12-14
11185235 Information processing method, information processing device, and recording medium Kazuhiro Watanabe, Tomohiko Kitamura, Yasuo Kohashi, Masaru Yamaoka, Kenji Masuda 2021-11-30
11176798 Anomaly notification system and anomaly notification method Kenji Masuda, Masaru Yamaoka, Kazuhiro Watanabe 2021-11-16
11141096 Method for predicting future change in physical condition of person from sleep-state history Masaru Yamaoka, Kenji Masuda 2021-10-12
11014073 Cluster supported catalyst and method for producing same Kazuhiro EGASHIRA, Yoshihiro Takeda, Namiki Toyama, Seitoku Ito, Masahiko Ichihashi 2021-05-25 $961,000
11017570 Display control apparatus, display control method, and recording medium 2021-05-25
10915301 Programming support device, programming support method, and non-transitory recording medium Shoichi Iwasaki, Akiko Muraki, Saki TASHIRO 2021-02-09
10768562 Image forming apparatus Katsuhide Sakai, Yasuhiro KOIDE, Akihiro Hayashi 2020-09-08
10754278 Image forming apparatus which corrects torque based on temperature or conveyance speed and predicts a life of the fixer based on a corrected torque Masayuki Fukunaga, Masayuki Watanabe, Mineo Yamamoto 2020-08-25
10576460 Cluster-supporting catalyst and process for producing the same Namiki Toyama, Yoshihiro Takeda, Masahiko Ichihashi, Kazuhiro EGASHIRA, Seitoku Ito 2020-03-03 $373,000