Naoki Hanashima — 33 Patents at Dexerials

Naoki Hanashima has been granted 33 US patents while listed as an inventor at Dexerials. The first was granted in 1993 and the most recent in December 2025. Naoki Hanashima ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list Naoki Hanashima in Tagajo, JP.

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12510700	Polarization element, method of manufacturing polarization element, and head-up display apparatus	Koji Sasaki, Kazuyuki Shibuya	2025-12-30
12360293	Micro-lens array, projection type image display device, method for designing micro-lens array, and method for manufacturing micro-lens array	Kazuyuki Shibuya, Shunsuke Kanasugi, Mitsuo Arima	2025-07-15
12061348	Diffusion plate and optical device	Kazuyuki Shibuya, Katsuhiro Shindo, Yusuke Matsuno	2024-08-13
11971569	Optical body and light emitting device	Shunichi Kajiya, Kyoko SAKURAI, Katsuhiro Doi, Kazuya Hayashibe, Naoto Kaneko	2024-04-30
11960103	Micro-lens array, projection type image display device, method for designing micro-lens array, and method for manufacturing micro-lens array	Kazuyuki Shibuya, Shunsuke Kanasugi, Mitsuo Arima	2024-04-16
11841560	Depolarizing plate	Akio Takada, Eiji Takahashi, Nobuyuki Koike, Koji Sasaki	2023-12-12
11693157	Fine concave-convex laminate and production method therefor, and camera module-mounted device	Shunichi Kajiya, Kazuya Hayashibe, Hiroshi Sugata	2023-07-04
11592156	Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting device	Akio Takada, Kazuyuki Shibuya, Yusuke Matsuno	2023-02-28
11353635	Diffuser plate, designing method of diffuser plate, display device, projection device, and lighting device	Kazuyuki Shibuya, Hideto Sagawa, Takahiro Kimura	2022-06-07
11287693	Optical body, method for manufacturing optical body, light-emitting apparatus, and display apparatus for amusement equipment	Koji Sasaki, Hiroshi Sugata	2022-03-29
11243429	Optical body, method for manufacturing optical body, light-emitting apparatus, and image display apparatus	Koji Sasaki, Hiroshi Sugata	2022-02-08
11125413	Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting device	Akio Takada, Kazuyuki Shibuya, Yusuke Matsuno	2021-09-21
11002993	Depolarizing plate, optical device and liquid-crystal display device including same, and depolarizing plate production method	Akio Takada, Eiji Takahashi, Nobuyuki Koike, Koji Sasaki	2021-05-11
10732341	Optical body, method for manufacturing optical body, and light-emitting apparatus	Koji Sasaki, Hiroshi Sugata	2020-08-04
10656318	Optical body and light emitting device	Koji Sasaki	2020-05-19
10599022	Diffuser plate, display device, projection device, and lighting device	—	2020-03-24
10295716	Inorganic polarizing plate and production method thereof	—	2019-05-21
9594275	Retardation element, liquid crystal display device, and projection display device	Nobuyuki Koike, Akio Takada	2017-03-14
9097857	Polarizing plate and method for producing polarizing plate	—	2015-08-04
8842365	Phase difference element and method for manufacturing the same	Nobuyuki Koike, Masatoshi Sasaki, Akio Takada, Takatoshi Yamada	2014-09-23
7538978	Heat assisted magnetic recording head and heat assisted magnetic recording apparatus for heating a recording region in a magnetic recording medium during magnetic recording	Isamu Sato, Taro Oike	2009-05-26
7403716	Optical module for bi-directional communication system	Adrian Lo, Makoto Sekijima, Kenjiro Hata, Tohru Kineri	2008-07-22	$45,000
7286741	Silica optical waveguide and method of manufacturing the same	Reio Mochida	2007-10-23	$40,000
7236668	Spot-size transformer, method of producing spot-size transformer and waveguide-embedded optical circuit using spot-size transformer	Reio Mochida	2007-06-26	$30,000
7221826	Spot-size transformer, method of producing spot-size transformer and waveguide-embedded optical circuit using spot-size transformer	Reio Mochida	2007-05-22	$21,000

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Naoki Hanashima — 33 Patents

Issued Patents All Time

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