Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Masataka Eida — 14 Patents

Canon: 14 patents #4,784 of 19,416Top 25%
HDHitachi Displays: 1 patents #519 of 752Top 70%
Kawasaki, JP: #1,982 of 15,035 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Masataka Eida has been granted 14 US patents while listed as an inventor at Canon. The first was granted in 2001 and the most recent in June 2013. Masataka Eida ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Masataka Eida in Kawasaki, JP.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8454131 Ink jet print head Shuichi Murakami 2013-06-04 $55,000
8328944 Weight plate of vacuum evaporation apparatus and vacuum evaporation apparatus using the same Takehiko Soda, Kazushi Miyata 2012-12-11 $126,000
7523160 Information provision exchange service system and method, program for implementing the method, and storage medium storing the program Hajime Kaneko 2009-04-21 $452,000
7074314 Liquid repellent member, method for manufacturing liquid repellent member, ink jet head using liquid repellent member, method for manufacturing ink jet head and method for supplying ink Kazuo Iwata, Toshinori Hasegawa 2006-07-11 $326,000
6706349 Packaging container and method therefor Hajime Yamamoto 2004-03-16 $204,000
6685301 Liquid repellent member, method for manufacturing liquid repellent member, ink jet head using liquid repellent member, method for manufacturing ink jet head and method for supplying ink Kazuo Iwata, Toshinori Hasegawa 2004-02-03 $251,000
6514920 Liquid composition, method of cleaning ink-jet recording head, ink-jet recording apparatus, cartridge, and method of regenerating ink-jet recording head Ryuji Katsuragi, Makoto Shioya, Hideto Yokoi 2003-02-04 $122,000
6513891 Print liquid tank and printing apparatus having the same 2003-02-04 $122,000
6481825 Recording head cap arrangement Jun Hinami 2002-11-19 $539,000
6472982 Vehicular communication apparatus, communication method and computer-readable storage medium therefor Sadayuki Sugama, Mamoru Sakaki, Masako Shimomura, Noriyasu Asaki 2002-10-29 $65,000
6439705 Liquid path opening/closing mechanism 2002-08-27 $223,000
6431693 Liquid pressure supply apparatus and liquid discharge recording apparatus using the same 2002-08-13 $191,000
6409325 Ink-jet cartridge and method of storing print head Toshiya Matsumoto 2002-06-25 $170,000
6276786 Packaging structure for ink tank and ink tank packaged in such packaging structure Kenji Ookawara, Hirofumi Kamitakahara, Hajime Kishida, Kazuhiro Nakajima 2001-08-21 $147,000