KA

Koji Akiyama

Sumitomo Electric Industries: 31 patents #458 of 21,551Top 3%
TL Tokyo Electron Limited: 17 patents #362 of 5,567Top 7%
KA Kao: 12 patents #167 of 3,221Top 6%
YE Yokogawa Electric: 6 patents #104 of 1,441Top 8%
IBM: 4 patents #21,733 of 70,183Top 35%
EC Eagle Industry Co.: 3 patents #95 of 314Top 35%
EN Enplas: 2 patents #110 of 255Top 45%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TC Toho Titanium Co.: 1 patents #86 of 153Top 60%
YC Yaesu Musen Co.: 1 patents #4 of 6Top 70%
YC Yamatoya & Co.: 1 patents #6 of 18Top 35%
YE Yokogawa Hokushin Electric: 1 patents #34 of 112Top 35%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
EM Elpida Memory: 1 patents #419 of 692Top 65%
Kyocera: 1 patents #2,054 of 3,732Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NC Nkk Co.: 1 patents #579 of 1,173Top 50%
OG Oce Printing Systems Gmbh: 1 patents #148 of 281Top 55%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
📍 Yamanashi, JP: #19 of 1,957 inventorsTop 1%
Overall (All Time): #19,517 of 4,157,543Top 1%
86
Patents All Time

Issued Patents All Time

Showing 1–25 of 86 patents

Patent #TitleCo-InventorsDate
12406862 Vacuum processing apparatus and oxidizing gas removal method Hirokazu Ueda, Yoji IIZUKA, Mitsuaki Iwashita, Antonio Luis Pacheco Rotondaro, Dipak Aryal +5 more 2025-09-02
12349434 Manufacturing method for semiconductor device Chihiro TAMURA, Philippe Gaubert 2025-07-01
12247768 Electrocaloric effect element, heat transfer device, semiconductor manufacturing device, and electrocaloric effect element control method Hiroyuki Nagai, Mitsuaki Iwashita, Hirokazu Ueda 2025-03-11
11222169 Inputting data to a web page Yoshiaki Sawano, Yashuhiro Shibutani, Yasuaki Takahashi 2022-01-11
11211288 Semiconductor device Hajime NAKABAYASHI 2021-12-28
10490443 Selective film forming method and method of manufacturing semiconductor device Yumiko Kawano, Shuji AZUMO, Hiroki Murakami, Michitaka Aita, Tadahiro Ishizaka +2 more 2019-11-26
10153169 Method of controlling threshold of transistor and method of manufacturing semiconductor device Kentaro Shiraga, Junya Miyahara, Yutaka Fujino 2018-12-11
10095675 Inputting data to a web page Yoshiaki Sawano, Yashuhiro Shibutani, Yasuaki Takahashi 2018-10-09
10072346 Method for producing metal and method for producing refractory metal Takahiro Yamabe, Yuichi Ono, Motoshige Sato, Bunji Akimoto 2018-09-11
9857687 Method of manufacturing substrate and substrate and mask film Kazunori Tsuge, Yoshihito Tanaka, Kiyoshi Tanaka, Kazuyoshi Nishio, Takehiro Kato +6 more 2018-01-02
9643269 Method of producing injection-molding die for worm wheel, and method of producing worm wheel 2017-05-09
9418837 Semiconductor device manufacturing method and substrate treatment system Hirokazu Higashijima, Chihiro TAMURA, Shintaro Aoyama, Yu Wamura 2016-08-16
9134920 Storage apparatus and command control method Yuki Sakuma, Kazuya Yokoyama 2015-09-15
8924606 Storage system and data transfer control method Susumu Tsuruta, Hideaki Fukuda, Hiroshi Shimmura, Shoji Kato 2014-12-30
8896097 Method of manufacturing capacitor, capacitor and method of forming dielectric film for use in capacitor Yu Wamura, Shingo Hishiya, Katsushige Harada 2014-11-25
8741786 Fabrication method of semiconductor device Hirokazu Higashijima, Yoshitsugu Tanaka, Yasushi Akasaka, Koji Yamashita 2014-06-03
8735304 Film forming method, film forming apparatus, and storage medium Yuichiro Morozumi, Takuya Sugawara, Shingo Hishiya, Toshiyuki Hirota, Takakazu Kiyomura 2014-05-27
8585060 Tandem seal device Yoji Oshii, Joji Watanabe, Atsushi Kaneko 2013-11-19
8186688 Shaft sealing device 2012-05-29
8129775 Semiconductor device and method of manufacturing the same Hirokazu Higashijima, Tetsushi Ozaki, Tetsuya Shibata 2012-03-06
8030717 Semiconductor device Wenwu Wang 2011-10-04
7867920 Method for modifying high-k dielectric thin film and semiconductor device Kazuyoshi Yamazaki, Shintaro Aoyama 2011-01-11
7821083 Semiconductor device and method for manufacturing the same Wenwu Wang, Wataru Mizubayashi 2010-10-26
7744094 Mechanical seal device Takashi Yanagisawa, Masanobu Ito, Mami Uchiyama 2010-06-29
7676794 Testing scenarios that sequentially execute a plurality of application program interfaces Yohichi Hattori, Akira Iwamoto 2010-03-09