Akira Date — 16 Patents at Hitachi

Akira Date has been granted 16 US patents while listed as an inventor at Hitachi. The first was granted in 1999 and the most recent in June 2025. Akira Date ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Akira Date in Kunitachi, JP.

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12342018	Contents receiving system and client	Hideki Kamimaki, Akira Tanaka	2025-06-24
12101521	Contents receiving system and client	Hideki Kamimaki, Akira Tanaka	2024-09-24
11277650	Contents receiving system and client	Hideki Kamimaki, Akira Tanaka	2022-03-15
10691924	Biological information detection device and biological information detection method	Nobuhiro Fukuda, Hidenori Sakaniwa, Takashi Kanemaru	2020-06-23
9913792	Methods of regulating skin health and appearance with a combination of flavonoid and vitamin B3	Andrew David Watson, Toshihiko Okano	2018-03-13	$98,251,000
8819747	Contents receiving system and client	Hideki Kamimaki, Akira Tanaka	2014-08-26
8544049	Contents receiving system and client	Hideki Kamimaki, Akira Tanaka	2013-09-24
8112503	Content delivery method, server, and terminal	Nobuhiro Sekimoto, Ui Yamaguchi, Hiroki Miyamoto	2012-02-07	$175,000
7302165	Apparatus for playing back still picture stored in storage medium based on still picture management information	Masahiro Kageyama, Tamotsu Ito	2007-11-27	$243,000
7302166	Computer readable storage medium for storing still picture and still picture management information	Masahiro Kageyama, Tamotsu Ito	2007-11-27	$243,000
7298720	Packet communication system, communication network, and method for selecting IP address in mobile node	Mariko Yamada, Masashi Yano, Takumi Oishi	2007-11-20	$247,000
7260313	Storage medium, recording apparatus, playback apparatus, recording method, and computer-readable storage medium	Masahiro Kageyama, Tamotsu Ito	2007-08-21	$215,000
7031597	Method for recording still picture group management information	Masahiro Kageyama, Tamotsu Ito	2006-04-18	$101,000
6594442	Optical disk recording still image data, a method and apparatus for recording and playing back still image data to and from the optical disk	Masahiro Kageyama, Tamotsu Ito, Kaoru Murase, Tomoyuki Okada	2003-07-15
6493504	Storage medium, recording apparatus, playback apparatus, recording method, and computer-readable storage medium	Masahiro Kageyama, Tamotsu Ito	2002-12-10	$102,000
5959677	Digital data transmission system	Taizo Kinoshita	1999-09-28	$498,000

Akira Date — 16 Patents

Issued Patents All Time

Patent Widget