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

Hiroichi Ishikawa — 27 Patents

Sony: 18 patents #2,329 of 25,231Top 10%
TCToko Co.: 4 patents #27 of 196Top 15%
LLLateral Research Limited Liability: 3 patents #23 of 92Top 25%
TLTokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Hiroichi Ishikawa has been granted 27 US patents while listed as an inventor at Sony. The first was granted in 1984 and the most recent in June 2023. Hiroichi Ishikawa ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Hiroichi Ishikawa in Kawaguchi, NJ, JP.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11684752 Actuator, actuator module, endoscope, endoscope module, and controlling method Akihiro Nakata, Satoshi Nakamaru, KAZUHITO WAKANA, Yoshio Goto 2023-06-27 $800,000
11444555 Actuator including elastomer layer and elastic electrodes and method for manufacturing the same Satoshi Nakamaru, Kentarou Sakai, Akihiro Nakata, KAZUHITO WAKANA, Yoshio Goto 2022-09-13 $512,000
11433425 Actuator, driving member, tactile sense presenting device, and driving device Akihiro Nakata, Satoshi Nakamaru, Yoshio Goto, Kentarou Sakai, KAZUHITO WAKANA 2022-09-06 $532,000
9761802 Evaporation mask and method of manufacturing display unit Kentaro Kuriyama, Tomohiro Kubo 2017-09-12 $291,000
8325477 Vibrating device, jet flow generating device, electronic device, and manufacturing method of vibrating device Norikazu Nakayama, Takuya Makino, Tomoharu Mukasa, Hiroyuki Ryoson 2012-12-04 $67,000
8081454 Gas ejector, electronic device, and gas-ejecting method Tomoharu Mukasa 2011-12-20 $159,000
8033324 Jet flow generating apparatus, electronic apparatus, and jet flow generating method Tomoharu Mukasa, Kazuhito Hori, Kanji Yokomizo, Norikazu Nakayama 2011-10-11 $125,000
7793709 Jet generating device and electronic apparatus Tomoharu Mukasa, Kazuhito Hori, Kanji Yokomizo, Takuya Makino, Norikazu Nakayama 2010-09-14 $382,000
7027208 Optical multilayer structure, optical switching device, and image display 2006-04-11
7012734 Optical multilayer structure, optical switching device, and image display 2006-03-14 $1,303,000
6940631 Optical multilayer structure, optical switching device, and image display 2005-09-06 $479,000
6850365 Optical multilayer structure and its production method, optical switching device, and image display 2005-02-01 $537,000
6840642 Thermally actuated micro mirror and electronic device Kanji Yokomizo 2005-01-11 $670,000
6611090 Anti-reflective coating for a CRT having first and second optical thin films in combination with an adhesion layer Kazuo Watanabe 2003-08-26 $650,000
6319371 Film forming apparatus Masayasu Kakinuma 2001-11-20 $980,000
6284382 Antireflection film and manufacturing method thereof Barret Lippey, Tomio Kobayashi, Yoshihiro Oshima, Shinobu Mitsuhashi, Masataka Yamashita +2 more 2001-09-04 $741,000
6248448 Anti-reflection film Barret Lippey 2001-06-19 $1,714,000
5804042 Wafer support structure for a wafer backplane with a curved surface John Ferreira, Tatsuo Onozaki 1998-09-08
5520002 High speed pump for a processing vacuum chamber 1996-05-28 $166,000
5380682 Wafer processing cluster tool batch preheating and degassing method Richard C. Edwards, Michael S. Kolesa 1995-01-10
5352248 Pyrometer temperature measurement of plural wafers stacked on a processing chamber Michael S. Kolesa 1994-10-04
5350899 Semiconductor wafer temperature determination by optical measurement of wafer expansion in processing apparatus chamber Michael S. Kolesa 1994-09-27
5259881 Wafer processing cluster tool batch preheating and degassing apparatus Richard C. Edwards, Michael S. Kolesa 1993-11-09
4871958 Charging circuit Yasuo Nagasawa 1989-10-03
4722041 Switching regulator 1988-01-26