Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mitsuhiro Horikawa — 17 Patents

EMElpida Memory: 8 patents #73 of 692Top 15%
INIntermolecular: 7 patents #84 of 248Top 35%
Nec: 5 patents #2,841 of 14,502Top 20%
HCHitachi Ulsi Systems Co.: 1 patents #577 of 867Top 70%
SESeiko Epson: 1 patents #5,551 of 7,774Top 75%
Hitachi: 1 patents #17,777 of 28,497Top 65%
Kure, JP: #26 of 736 inventorsTop 4%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Mitsuhiro Horikawa has been granted 17 US patents while listed as an inventor at Elpida Memory. The first was granted in 1991 and the most recent in March 2016. Mitsuhiro Horikawa ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Mitsuhiro Horikawa in Kure, JP.

Patents per Year

Patents granted per year, 1991 to 2016Bar chart with a peak of 4 patents in 2013.peak 41991: 1 patents19911999: 1 patents2000: 1 patents20002001: 1 patents2002: 1 patents20022003: 1 patents2007: 1 patents20072010: 1 patents2011: 1 patents20112013: 4 patents2014: 2 patents20142015: 1 patents2016: 1 patents2016

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9281357 DRAM MIM capacitor using non-noble electrodes Hanhong Chen, David Chi, Imran Hashim, Sandra G. Malhotra 2016-03-08 $504,000
8969169 DRAM MIM capacitor using non-noble electrodes Hanhong Chen, David Chi, Imran Hashim, Sandra G. Malhotra 2015-03-03 $309,000
8815695 Methods to improve leakage for ZrO2 based high K MIM capacitor Xiangxin Rui, Hiroyuki Ode, Karthik Ramani 2014-08-26
8748325 Method of manufacturing semiconductor device Hiroyuki Ode, Masashi Haruki, Shigeki Takishima, Shinichi Kihara 2014-06-10
8546236 High performance dielectric stack for DRAM capacitor Sandra G. Malhotra, Hanhong Chen, Wim Deweerd, Kenichi Koyanagi, Hiroyuki Ode +1 more 2013-10-01 $1,196,000
8541283 High performance dielectric stack for DRAM capacitor Sandra G. Malhotra, Hanhong Chen, Wim Deweerd, Kenichi Koyanagi, Hiroyuki Ode +1 more 2013-09-24
8476141 High performance dielectric stack for DRAM capacitor Sandra G. Malhotra, Hanhong Chen, Wim Deweerd, Kenichi Koyanagi, Hiroyuki Ode +1 more 2013-07-02
8415227 High performance dielectric stack for DRAM capacitor Sandra G. Malhotra, Wim Deweerd, Hanhong Chen, Xiangxin Rui, Hiroyuki Ode +1 more 2013-04-09
8026184 Semiconductor device and method of manufacturing the same 2011-09-27 $2,769,000
7790613 Semiconductor device and method of manufacturing the same 2010-09-07 $2,387,000
7224016 Memory with memory cells that include a MIM type capacitor with a lower electrode made for reduced resistance at an interface with a metal film Yoshitaka Nakamura, Hidekazu Goto, Isamu Asano, Keiji Kuroki, Hiroshi Sakuma +2 more 2007-05-29
6562733 Semiconductor device manufacturing method 2003-05-13 $20,000
6372611 Semiconductor manufacturing method including gettering of metal impurities 2002-04-16 $15,000
6300680 Semiconductor substrate and manufacturing method thereof Masahito Watanabe 2001-10-09 $28,000
6046095 Semiconductor substrate having polysilicon layers and fabrication process of semiconductor device using the same 2000-04-04 $108,000
5973386 Semiconductor substrate having silicon oxide layers formed between polysilicon layers 1999-10-26 $19,000
5062095 Actuator and method of manufacturing thereof Hiroshi Ito, Tsugio Ide, Michio Yanagisawa, Tatsuya Shimoda, Koji Akioka 1991-10-29