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

Naoyuki Tamura — 63 Patents

Hitachi: 38 patents #559 of 28,497Top 2%
Honda Motor Co.: 7 patents #3,151 of 21,052Top 15%
Kabushiki Kaisha Toshiba: 6 patents #4,930 of 21,451Top 25%
MIMitsui Petrochemical Industries: 4 patents #170 of 1,024Top 20%
HHHitachi High-Technologies: 4 patents #845 of 1,917Top 45%
JIJapan Atomic Energy Research Institute: 2 patents #81 of 609Top 15%
Ricoh Company: 2 patents #5,700 of 9,818Top 60%
MRMatsumura Oil Research: 1 patents #10 of 24Top 45%
Overall (All Time): #35,470 of 4,157,543Top 1%
63 Patents All Time
Naoyuki Tamura has been granted 63 US patents while listed as an inventor at Hitachi. The first was granted in 1983 and the most recent in June 2021. Naoyuki Tamura ranks #35,470 of 4,157,543 US inventors in our database (top 0.85%). Patent records list Naoyuki Tamura in Waki, OH, JP.

Patents per Year

Patents granted per year, 1985 to 2021Bar chart with a peak of 6 patents in 2003.peak 61985: 1 patents19851986: 1 patents1987: 1 patents1988: 2 patents19881989: 2 patents1990: 1 patents1991: 1 patents19911992: 2 patents1993: 1 patents1994: 2 patents19941995: 4 patents1996: 5 patents1997: 4 patents19971998: 1 patents1999: 3 patents2000: 2 patents20002001: 4 patents2002: 1 patents2003: 6 patents20032004: 1 patents2005: 3 patents2006: 1 patents20062007: 2 patents2008: 3 patents2010: 1 patents20102012: 1 patents2013: 1 patents2014: 2 patents20142015: 1 patents2021: 1 patents2021

Issued Patents All Time

Showing 1–25 of 63 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11021342 Binding apparatus and image forming system including the same Takuya Fukuhara, Hiroki Yoshida, Tsubasa Hashimoto 2021-06-01
9045308 Sheet processing apparatus and image forming system 2015-06-02
8678481 Structure for side portion of vehicle body 2014-03-25 $357,000
8662575 Vehicle chassis side structure 2014-03-04 $305,000
8419115 Structure for side section of vehicle body Koichi Takahashi 2013-04-16 $526,000
8118355 Vehicular side body structure Koji Satoh, Hiroaki Ueno, Takeharu Endo 2012-02-21 $597,000
7828330 Vehicle front body structure Patrick J. Ellison 2010-11-09 $465,000
7424695 Method of manufacturing a semiconductor integrated circuit, a program for a computer automated design system, and a semiconductor integrated circuit Yukihiro Urakawa 2008-09-09
7356798 Semiconductor integrated circuit routing method and recording medium which stores routing software Takayuki Kamei 2008-04-08
7331751 Vacuum processing method 2008-02-19 $177,000
7299440 Semiconductor integrated circuit including standard cell, standard cell layout design method, and layout design software product stored in computer-readable recording medium Takeshi Yoshida, You Yamamoto 2007-11-20
7290225 Method for compressing semiconductor integrated circuit, using design region divided into plural blocks Takayuki Kamei 2007-10-30
7040639 Vehicle body structure employing gussets fastened to cross member portion between damper bases 2006-05-09 $339,000
6899789 Method of holding substrate and substrate holding system Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone 2005-05-31 $103,000
6875306 Vacuum processing device 2005-04-05 $81,000
6838833 Plasma processing apparatus Masatsugu Arai, Ryujiro Udo, Masanori Kadotani, Motohiko Yoshigai 2005-01-04 $110,000
6676805 Method of holding substrate and substrate holding system Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone 2004-01-13 $223,000
6664738 Plasma processing apparatus Masatsugu Arai, Ryujiro Udo, Masanori Kadotani, Motohiko Yoshigai 2003-12-16 $193,000
6645871 Method of holding substrate and substrate holding system Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone 2003-11-11 $193,000
6610171 Method of holding substrate and substrate holding system Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone 2003-08-26 $177,000
6610170 Method of holding substrate and substrate holding system Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone 2003-08-26 $177,000
6544379 Method of holding substrate and substrate holding system Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone 2003-04-08 $91,000
6524428 Method of holding substrate and substrate holding system Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone 2003-02-25 $137,000
6336991 Method of holding substrate and substrate holding system Kazue Takahashi, Youichi Ito, Yoshifumi Ogawa, Hiroyuki Shichida, Tsunehiko Tsubone 2002-01-08 $223,000
6311199 Sign extension unit Takeshi Yoshida 2001-10-30