Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Nobuyuki Kobayashi — 237 Patents

Toyota: 58 patents #129 of 26,838Top 1%
NINgk Insulators: 41 patents #49 of 2,083Top 3%
MCMinolta Co.: 20 patents #60 of 1,416Top 5%
DCDainichiseika Color & Chemicals Mfg. Co.: 17 patents #10 of 376Top 3%
ACAutoliv Nissin Brake Systems Japan Co.: 11 patents #3 of 78Top 4%
KCKyb-Ys Co.: 11 patents #1 of 9Top 15%
Honda Motor Co.: 10 patents #2,048 of 21,052Top 10%
Ricoh Company: 9 patents #2,463 of 9,818Top 30%
JTJapan Tobacco: 7 patents #67 of 1,187Top 6%
VKVirus Ikagaku Kenkyusho: 7 patents #2 of 5Top 40%
SCShin-Etsu Chemical Co.: 6 patents #590 of 2,176Top 30%
Canon: 6 patents #8,549 of 19,416Top 45%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
KCKayaba Industry Co.: 5 patents #21 of 326Top 7%
NCNippondenso Co.: 5 patents #465 of 3,479Top 15%
NCNissin Kogyo Co.: 5 patents #42 of 334Top 15%
SSSumitomo Wiring Systems: 4 patents #805 of 2,615Top 35%
FCFuji Electric Co.: 4 patents #591 of 2,643Top 25%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
ATAutonetworks Technologies: 3 patents #449 of 1,079Top 45%
Panasonic: 2 patents #9,726 of 21,108Top 50%
RERenesas Electronics: 2 patents #1,855 of 4,529Top 45%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Hitachi: 2 patents #13,405 of 28,497Top 50%
NCNihon Parkerizing Co.: 2 patents #53 of 330Top 20%
SCStanley Electric Co.: 2 patents #339 of 1,072Top 35%
KCKyoritsu Chemical & Co.: 2 patents #2 of 36Top 6%
GRGraphtec: 2 patents #10 of 62Top 20%
NONok: 2 patents #242 of 725Top 35%
KMKonica Minolta: 1 patents #1,862 of 2,718Top 70%
KCKimura Chemical Plants Co.: 1 patents #2 of 22Top 10%
KYKyb: 1 patents #177 of 347Top 55%
MCMaruzen Petrochemical Co.: 1 patents #83 of 174Top 50%
KCKansai Chemical Engineering Co.: 1 patents #19 of 46Top 45%
KAKaneka: 1 patents #886 of 1,525Top 60%
Nichia: 1 patents #1,005 of 1,531Top 70%
MCMitsubishi Chemical: 1 patents #1,786 of 3,022Top 60%
SCSanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
HCHitachi Software Engineering Co.: 1 patents #175 of 502Top 35%
Tdk: 1 patents #2,493 of 3,796Top 70%
Yamaha: 1 patents #1,232 of 2,001Top 65%
FUFujifilm: 1 patents #3,076 of 4,519Top 70%
BCBanyu Pharmaceutical Co.: 1 patents #210 of 330Top 65%
FIFujifilm Business Innovation: 1 patents #3,981 of 5,238Top 80%
Overall (All Time): #2,291 of 4,157,543Top 1%
237 Patents All Time
Nobuyuki Kobayashi has been granted 237 US patents while listed as an inventor at Toyota. The first was granted in 1980 and the most recent in September 2025. Nobuyuki Kobayashi ranks #2,291 of 4,157,543 US inventors in our database (top 0.06%). Patent records list Nobuyuki Kobayashi in Yokkaichi, MH, JP.

Patents per Year

Patents granted per year, 1994 to 2025Bar chart with a peak of 19 patents in 2016.peak 191994: 5 patents19941995: 5 patents1996: 1 patents1998: 3 patents19981999: 1 patents2000: 3 patents2001: 5 patents20012002: 6 patents2003: 6 patents2004: 4 patents20042005: 3 patents2006: 3 patents2007: 5 patents20072009: 4 patents2010: 11 patents2011: 6 patents20112012: 11 patents2013: 11 patents2014: 13 patents20142015: 9 patents2016: 19 patents2017: 8 patents20172018: 10 patents2019: 7 patents2020: 5 patents20202021: 4 patents2022: 2 patents2023: 2 patents20232024: 3 patents2025: 2 patents2025

Issued Patents All Time

Showing 1–25 of 237 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12425266 Communication device, communication system, and communication method Makoto Mashita, Masakatsu Moriguchi, Takeshi Hagihara, Ryo Yamane, Ichiro Kanda +1 more 2025-09-23
12215723 Fluid pressure cylinder Tatsuya Itou, Hirotaka Kobayashi 2025-02-04
12126037 Battery including power generation element and sealing member containing insulting material and zeolite particles Yasutaka Tsutsui 2024-10-22
12007919 In-vehicle communication device and vehicle communication method Yuanjun Xian, Takeshi Hagihara, Makoto Mashita, Takehiro Kawauchi, Tatsuya Izumi +2 more 2024-06-11
11874612 Image forming apparatus and developer replenishment thereof Kenichi Iida, Masahiro Hayakawa, Masaaki Sato, Haruyuki Hotta 2024-01-16
11709441 Image forming apparatus Akinori Mitsumata, Takeo Kawanami 2023-07-25
11664499 Lithium rechargeable battery and card with built-in battery Haruo OTSUKA, Yuki Fujita 2023-05-30
11329270 Lithium complex oxide sintered body plate Yukinobu Yura 2022-05-10
11269266 Image forming apparatus and developer replenishment thereof Kenichi Iida, Masahiro Hayakawa, Masaaki Sato, Haruyuki Hotta 2022-03-08 $40,000
11211600 Lithium titanate sintered plate Yukinobu Yura, Shigeki Okada 2021-12-28
11189831 Lithium complex oxide sintered body plate Yukinobu Yura 2021-11-30
11152973 Communication apparatus Makoto Mashita, Takeshi Hagihara, Yuanjun Xian, Akihito Iwata, Takehiro Kawauchi +1 more 2021-10-19
10907662 Bonded body, fluid pressure cylinder, and manufacturing method of bonded body Yasuyuki Nagai, Shinji Satou 2021-02-02
10787543 Polyether polyol, method for producing polyether polyol, polyester elastomer and polyurethane Takanori TANIGUCHI, Yoko NAKAGAWA, Ryo Yamashita 2020-09-29
10698353 Image forming apparatus Kazumichi Shimizu, Takuya Hayato 2020-06-30 $30,000
10619070 Coating liquid, coating film, and composite material Takanori Sannan 2020-04-14
10539578 Method for diagnosing, treating, or preventing mood disorders Kazuhiro Kondo, Naomi Oka 2020-01-21
10526374 Factor involved in latent infection with herpesvirus, and use thereof Kazuhiro Kondo 2020-01-07
10487118 Factor involved in latent infection with herpes virus, and use thereof Kazuhiro Kondo 2019-11-26
10451093 Fluid pressure cylinder Tatsuya Hirai, Shinji Satou 2019-10-22
10453770 Power converter and power converter for railroad vehicle Masamitsu Takizawa, Yoshio Mori, So Nakamichi, Kohei Matsui 2019-10-22
D864286 Cutting plotter Takahisa Umezawa 2019-10-22
10442417 Hydraulic pressure generation apparatus Yoshiteru Matsunaga, Kouji Sakai 2019-10-15
10415710 Rotary valve and fluid pressure actuator unit including rotary valve Keiichi Matsuzaki 2019-09-17
10407038 Hydraulic pressure generating apparatus 2019-09-10