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USPTO Patent Rankings Data through Dec 31, 2025
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Hideaki Doi — 24 Patents

Hitachi: 18 patents #2,067 of 28,497Top 8%
KKKureha Kagaku Kogyo: 4 patents #147 of 607Top 25%
HIHitachi Video Engineering, Incorporated: 1 patents #69 of 181Top 40%
NCNippon Petrochemicals, Co.: 1 patents #181 of 359Top 55%
SESega Enterprises: 1 patents #359 of 515Top 70%
Iwaki, JP: #21 of 693 inventorsTop 4%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Hideaki Doi has been granted 24 US patents while listed as an inventor at Hitachi. The first was granted in 1982 and the most recent in August 2007. Hideaki Doi ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Hideaki Doi in Iwaki, JP.

Patents per Year

Patents granted per year, 1982 to 2007Bar chart with a peak of 4 patents in 2003.peak 41982: 1 patents19821985: 1 patents1986: 1 patents19861990: 3 patents1992: 1 patents19921994: 2 patents1998: 2 patents19981999: 1 patents2000: 2 patents20002001: 2 patents2002: 2 patents20022003: 4 patents2004: 1 patents20042007: 1 patents2007

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7263216 Pattern inspecting method and apparatus thereof, and pattern inspecting method on basis of electron beam images and apparatus thereof Chie Shishido, Yuji Takagi, Shuji Maeda, Takanori Ninomiya, Takashi Hiroi +1 more 2007-08-28 $225,000
6831998 Inspection system for circuit patterns and a method thereof Hiroya Koshishiba, Mitsunobu Isobe, Kazushi Yoshimura, Haruomi Kobayashi, Chie Shishido 2004-12-14 $247,000
6650409 Semiconductor device producing method, system for carrying out the same and semiconductor work processing apparatus included in the same system Minori Noguchi, Yukio Kembo, Hiroshi Morioka, Hidetoshi Nishiyama, Masataka Shiba +6 more 2003-11-18 $216,000
6622054 Method monitoring a quality of electronic circuits and its manufacturing condition and system for it Hirohito Okuda, Toshifumi Honda, Hisae Yamamura, Yuji Takagi, Shigeshi Yoshinaga 2003-09-16 $216,000
6614923 Pattern inspecting method and apparatus thereof, and pattern inspecting method on basis of electron beam images and apparatus thereof Chie Shishido, Yuji Takagi, Shuji Maeda, Takanori Ninomiya, Takashi Hiroi +1 more 2003-09-02 $213,000
6546308 Method and system for manufacturing semiconductor devices, and method and system for inspecting semiconductor devices Yuji Takagi, Makoto Ono 2003-04-08 $91,000
6438438 Method and system for manufacturing semiconductor devices, and method and system for inspecting semiconductor devices Yuji Takagi, Makoto Ono 2002-08-20 $103,000
6376854 Method of inspecting a pattern on a substrate Chie Shishido, Takashi Hiroi, Haruo Yoda, Masahiro Watanabe, Asahiro Kuni +8 more 2002-04-23 $258,000
6278418 Three-dimensional imaging system, game device, method for same and recording medium 2001-08-21
6236057 Method of inspecting pattern and apparatus thereof with a differential brightness image detection Chie Shishido, Takashi Hiroi, Haruo Yoda, Masahiro Watanabe, Asahiro Kuni +8 more 2001-05-22 $550,000
6087673 Method of inspecting pattern and apparatus thereof Chie Shishido, Takashi Hiroi, Haruo Yoda, Masahiro Watanabe, Asahiro Kuni +8 more 2000-07-11 $481,000
6072899 Method and device of inspecting three-dimensional shape defect Yoko Irie, Hiroya Koshishiba, Mineo Nomoto 2000-06-06 $589,000
5930382 Wiring pattern inspecting method and system for carrying out the same Yoko Irie, Yasuhiko Hara, Tadashi Iida, Yasuhiro Fujishita, Yasuo Nakagawa +1 more 1999-07-27 $396,000
5801965 Method and system for manufacturing semiconductor devices, and method and system for inspecting semiconductor devices Yuji Takagi, Makoto Ono 1998-09-01 $148,000
5754621 X-ray inspection method and apparatus, prepreg inspecting method, and method for fabricating multi-layer printed circuit board Yoko Suzuki, Yasuhiko Hara, Koichi Karasaki, Tadashi Iida 1998-05-19 $115,000
5331407 Method and apparatus for detecting a circuit pattern Yasuhiko Hara, Koichi Karasaki 1994-07-19 $89,000
5308875 Therapeutic coolant for the local treatment of burn Yutaka Ogawa 1994-05-03
5086140 Optical material formed by casting polymerization of a phenyl phosphine monomer Teruo Sakagami 1992-02-04
4975223 Optical material Teruo Sakagami 1990-12-04
4962541 Pattern test apparatus Yasuhiko Hara, Akira Sase, Satoshi Shinada 1990-10-09 $125,000
4908871 Pattern inspection system Yasuhiko Hara, Koichi Karasaki, Akira Sase 1990-03-13 $44,000
4628531 Pattern checking apparatus Keiichi Okamoto, Kozo Nakahata, Yukio Matsuyama, Susumu Aiuchi, Mineo Nomoto 1986-12-09 $77,000
4504631 Photoresist material Kenichi Kokubun, Teruo Sakagami, Naohiro Murayama 1985-03-12
4341837 Laminar thermoplastic resin structure Takayuki Katsuto, Shunzo Endo, Naohiro Murayama 1982-07-27