HM

Hiroshi Matsunaga

MC Mitsubishi Gas Chemical Company: 20 patents #43 of 1,727Top 3%
Sumitomo Electric Industries: 10 patents #2,734 of 21,551Top 15%
Nintendo Co.: 9 patents #206 of 1,476Top 15%
AC Alps Electric Co.: 7 patents #261 of 2,177Top 15%
NT Ntn: 6 patents #253 of 1,364Top 20%
TE Teac: 5 patents #69 of 440Top 20%
KS Kawai Gakki Seisakusho: 4 patents #49 of 198Top 25%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
NC Nhk Spring Co.: 3 patents #263 of 1,116Top 25%
OC Osaka Organic Chemical Industry Co.: 2 patents #9 of 46Top 20%
TL Tokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%
FC Furukawa Electric Co.: 2 patents #850 of 2,370Top 40%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
AI Anest Iwata: 1 patents #44 of 71Top 65%
FI Forestry And Forest Products Research Institute: 1 patents #5 of 53Top 10%
KC Kawai Musical Instruments Manufacturing Co.: 1 patents #20 of 50Top 40%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
LP Lenovo (Singapore) Pte.: 1 patents #697 of 1,301Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NJ National Space Development Agency Of Japan: 1 patents #12 of 103Top 15%
NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
NC Nkk Co.: 1 patents #579 of 1,173Top 50%
ND Ntt Docomo: 1 patents #1,030 of 1,706Top 65%
UN Unitechno: 1 patents #6 of 14Top 45%
📍 Yokkaichi, JP: #21 of 2,072 inventorsTop 2%
Overall (All Time): #23,092 of 4,157,543Top 1%
79
Patents All Time

Issued Patents All Time

Showing 1–25 of 79 patents

Patent #TitleCo-InventorsDate
12351922 Roughening treatment method for stainless steel surface, method for manufacturing roughened stainless steel, and aqueous composition used in said methods Kazuhiko Ikeda, Tomoko Fujii 2025-07-08
12308249 Etching liquid for titanium and/or titanium alloy, method for etching titanium and/or titanium alloy with use of said etching liquid, and method for producing substrate with use of said etching liquid Yukihide NAITO, Satoshi Tamai 2025-05-20
11926904 Aqueous composition, method for roughening stainless steel surface in which same is used, roughened stainless steel, and method for manufacturing same Kazuhiko Ikeda, Tomoko Fujii, Satoshi Tamai 2024-03-12
11821092 Etchant for selectively etching copper and copper alloy, and method for manufacturing semiconductor substrate using said etchant Shun Fukazawa, Tomoko Fujii 2023-11-21
10870047 Information processing system, information processing apparatus, storage medium having information processing program stored therein, and information processing method Koichi Kawamoto, Masaki Wada, Yuji Sawatani, Atsushi Yamazaki 2020-12-22
10495435 Pitch cone angle measurement method and pitch cone angle measurement device Kazuhiro Kimpara 2019-12-03
10280984 Constant velocity universal joint outer joint member and manufacturing method for same Jun Numamoto, Kenichi Nakano, Takuya Fujita, Akira Sera, Tatsuro Sugiyama +1 more 2019-05-07
9938706 Flush toilet 2018-04-10
9917456 Storing structure and electronic apparatus Ryo Otsuka, Yoshihisa Ishihara, Eiji Shinohara 2018-03-13
9805695 Display apparatus, storage medium having stored in information processing program, information processing apparatus, information processing system, and image display method Yugo Hayashi 2017-10-31
9643085 Computer-readable storage medium, information processing system, and information processing method for controlling a virtual object using attitude data Yugo Hayashi, Kazuya Sumaki, Keiichi Minato 2017-05-09
9630237 Face spline molding device, face spline molding method, outer joint member, and constant velocity universal joint Takahiro Kimura 2017-04-25
9561443 Computer-readable storage medium, information processing system, and information processing method Kazuya Sumaki 2017-02-07
9539511 Computer-readable storage medium, information processing system, and information processing method for operating objects in a virtual world based on orientation data related to an orientation of a device Keiichi Minato 2017-01-10
9412190 Image display system, image display apparatus, image display method, and non-transitory storage medium encoded with computer readable program 2016-08-09
9375640 Information processing system, computer-readable storage medium, and information processing method 2016-06-28
9334161 Processing liquid for suppressing pattern collapse of fine metal structure and method for producing fine metal structure using same Masaru Ohto, Kenji Yamada 2016-05-10
9308775 Bearing device for wheel and manufacturing method therefor Masahiro Tosaji 2016-04-12
9298025 Electrode structure for an optical waveguide substrate Shoichiro Yamaguchi, Keiichiro Asai 2016-03-29
9196472 Processing liquid for suppressing pattern collapse of fine metal structure, and method for producing fine metal structure using same Masaru Ohto, Kenji Yamada 2015-11-24
8980812 Treatment liquid for inhibiting pattern collapse in microstructures, and microstructure manufacturing method using said treatment liquid Masaru Ohto 2015-03-17
8956462 Treatment liquid for inhibiting pattern collapse in microstructure and method of manufacturing microstructure using the same Kimihiro AOYAMA 2015-02-17
8859411 Method for producing transistor Kenji Shimada, Kojiro Abe, Kenji Yamada 2014-10-14
8852451 Silicon etching fluid and method for producing transistor using same Kenji Shimada 2014-10-07
8802608 Composition for cleaning and rust prevention and process for producing semiconductor element or display element Kenji Shimada, Kojiro Abe, Kenji Yamada 2014-08-12