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

Kaoru Aoki — 28 Patents

Hitachi: 10 patents #4,209 of 28,497Top 15%
DCDainippon Screen Mfg. Co.: 6 patents #119 of 977Top 15%
Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
Sony: 4 patents #9,005 of 25,231Top 40%
Ricoh Company: 4 patents #4,169 of 9,818Top 45%
Tokyo, JP: #4,892 of 90,295 inventorsTop 6%
Overall (All Time): #134,628 of 4,157,543Top 4%
28 Patents All Time
Kaoru Aoki has been granted 28 US patents while listed as an inventor at Hitachi. The first was granted in 1988 and the most recent in January 2024. Kaoru Aoki ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Kaoru Aoki in Tokyo, JP.

Patents per Year

Patents granted per year, 1988 to 2024Bar chart with a peak of 4 patents in 2002.peak 41988: 2 patents19881992: 1 patents1994: 1 patents19941997: 2 patents1998: 3 patents19981999: 2 patents2000: 2 patents20002001: 1 patents2002: 4 patents20022003: 2 patents2004: 1 patents20042005: 2 patents2006: 1 patents20062012: 1 patents2015: 1 patents20152020: 1 patents2024: 1 patents2024

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11864507 Cultivation method, information processing apparatus, and control apparatus Nahoko Sato 2024-01-09 $731,000
10568272 Cultivation system 2020-02-25
9004285 Classifying apparatus, classifying method, and method for producing toner Tetsuya Tanaka, Hiroki Morioka, Makoto Hirai, Shinya Hanatani 2015-04-14
8191808 Fluid spray nozzle, pulverizer and method of preparing toner Tetsuya Tanaka, Masahiro Kawamoto, Akio Matsui, Hiroki Morioka 2012-06-05
7105074 Substrate treating method and apparatus Osamu Tamada, Tsuyoshi Mitsuhashi, Minobu Matsunaga, Katsushi Yoshioka, Kenji Sugimoto +5 more 2006-09-12
6950278 Magnetic head Osamu Onodera, Heikichi Sato, Katsumi Sakata 2005-09-27 $518,000
6894868 Magnetic head Osamu Onodera, Heikichi Sato, Katsumi Sakata 2005-05-17 $586,000
6832863 Substrate treating apparatus and method Kenji Sugimoto, Minobu Matsunaga, Masakazu Sanada, Katsushi Yoshioka, Moritaka Yano +4 more 2004-12-21
6622686 Cylinder head for an internal combustion engine Takashi Komatsuda, Shinichi Takahashi, Takuya Takagi, Hiromu Nakamura, Tsutomu Yamasaki 2003-09-23 $423,000
6558053 Substrate processing apparatus Kazuhito Shigemori, Masakazu Sanada, Minobu Matsunaga, Katsushi Yoshioka, Kenji Sugimoto +7 more 2003-05-06
6463057 ATM cell switching system Takahiko Kozaki, Junichirou Yanagi, Kiyoshi Aiki, Yutaka Ito, Shinobu Gohara 2002-10-08 $88,000
6424490 Magnetic head Masaya Kousaka 2002-07-23 $897,000
6396831 ATM cell switching system Takahiko Kozaki, Junichirou Yanagi, Kiyoshi Aiki, Yutaka Ito, Shinobu Gohara 2002-05-28 $184,000
6339596 ATM cell switching system Takahiko Kozaki, Junichirou Yanagi, Kiyoshi Aiki, Yutaka Ito, Shinobu Gohara 2002-01-15 $259,000
6330240 ATM cell switching system Takahiko Kozaki, Junichirou Yanagi, Kiyoshi Aiki, Yutaka Ito 2001-12-11 $132,000
6099643 Apparatus for processing a substrate providing an efficient arrangement and atmospheric isolation of chemical treatment section Masami Ohtani, Minobu Matsunaga, Tutomu Ueyama, Ryuji Kitakado 2000-08-08
RE36751 ATM switching system connectable to I/O links having different transmission rates Takahiko Kozaki, Junichirou Yanagi, Kiyoshi Aiki, Yutaka Ito, Shinobu Gohara 2000-06-27
5963753 Substrate processing apparatus Masami Ohtani, Minobu Matsunaga, Tutomu Ueyama, Ryuji Kitakado, Masao Tsuji 1999-10-05
5901679 Engine for vehicle Shigekazu Tanaka, Takashi Taguchi, Shigemasa Kajiwara, Masashi Murata, Atsushi Iwamoto +4 more 1999-05-11 $425,000
5799014 ATM cell switching system Takahiko Kozaki, Junichirou Yanagi, Kiyoshi Aiki, Yutaka Ito, Shinobu Gohara 1998-08-25 $322,000
5740158 ATM communication system Masataka Takano, Junichirou Yanagi, Tetsushi Nakano, Miho Iino 1998-04-14 $140,000
5710770 ATM cell switching system Takahiko Kozaki, Junichirou Yanagi, Kiyoshi Aiki, Yutaka Ito, Shinobu Gohara 1998-01-20 $154,000
5639301 Processing apparatus having parts for thermal and non-thermal treatment of substrates Shigeru Sasada, Mitsumasa Kodama, Kenji Sugimoto, Yoshiteru Fukutomi, Hidekazu Inoue 1997-06-17
5604729 ATM communication system having a physical loop form with logical start point and end point Masataka Takano, Junichirou Yanagi, Tetsushi Nakano, Miho Iino 1997-02-18 $110,000
5365519 ATM switch1ng system connectable to I/O links having different transmission rates Takahiko Kozaki, Junichirou Yanagi, Kiyoshi Aiki, Yutaka Ito 1994-11-15 $115,000