IA

Ikuya Arai

HI Hitachi: 44 patents #397 of 28,497Top 2%
MA Maxell: 8 patents #76 of 437Top 20%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
Overall (All Time): #45,549 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 25 most recent of 55 patents

Patent #TitleCo-InventorsDate
12372789 Display terminal, application control system and application control method Yasunobu Hashimoto, Kazuhiko YOSHIZAWA, Sadao Tsuruga, Hiroshi Shimizu, Osamu Kawamae 2025-07-29
12075168 Portable device Hiroshi Shimizu, Yasunobu Hashimoto 2024-08-27
11869225 Three-dimensional authentication device, three-dimensional authentication system, portable information terminal, and three-dimensional authentication method Mayumi Nakade, Osamu Kawamae 2024-01-09
11831976 Display apparatus Hiroshi Shimizu, Yasunobu Hashimoto, Tomonori Nomura, Osamu Kawamae, Kazuhiko YOSHIZAWA +1 more 2023-11-28
11810567 Speech recognition device, speech-recognition-device coordination system, and speech-recognition-device coordination method Yasunobu Hashimoto, Satoru Takashimizu, Kazuhiko YOSHIZAWA, Hiroshi Shimizu, Sadao Tsuruga +1 more 2023-11-07
11765465 Portable device Hiroshi Shimizu, Yasunobu Hashimoto 2023-09-19
11546509 Portable device Hiroshi Shimizu, Yasunobu Hashimoto 2023-01-03
11483483 Display apparatus Hiroshi Shimizu, Yasunobu Hashimoto, Tomonori Nomura, Osamu Kawamae, Kazuhiko YOSHIZAWA +1 more 2022-10-25
8289450 Video processing apparatus with corrector for correcting an input video signal Kozo Masuda, Masaaki Miyano 2012-10-16
7952645 Video processing apparatus and mobile terminal apparatus Kozo Masuda, Masaaki Miyano 2011-05-31
7774021 Communication terminal apparatus Kozo Masuda, Kazuyuki Takizawa, Junichi Nishimoto 2010-08-10
7620410 Broadcast station synchronization method and mobile terminal Kazuyuki Takizawa, Kazuo Sakiyama 2009-11-17
7486334 Image display system Kouzou Masuda, Sadao Tsuruga, Jiro Kawasaki, Tsuyoshi Sano, Tamotsu Nagabayashi +5 more 2009-02-03
7475181 Display unit with processor and communication controller which communicates information to the processor Kouji Kitou 2009-01-06
7475180 Display unit with communication controller and memory for storing identification number for identifying display unit Kouji Kitou 2009-01-06
7386332 Mobile terminal device Kozo Masuda 2008-06-10
7089342 Method enabling display unit to bi-directionally communicate with video source Kouji Kitou 2006-08-08
7058426 Communication terminal apparatus Kozo Masuda, Kazuyuki Takizawa, Junichi Nishimoto 2006-06-06
6791623 Image display system Kouzou Masuda, Sadao Tsuruga, Jiro Kawasaki, Tsuyoshi Sano, Tamotsu Nagabayashi +5 more 2004-09-14
6765543 Display Kozo Masuda, Ren Imaoka, Kazufumi Kikuchi 2004-07-20
6686895 Display unit for displaying an image based on a video signal received from a personal computer which is connected to an input device Kouji Kitou, Yuji Sano 2004-02-03
6639588 Image display apparatus Kouji Kitou, Yuji Sano 2003-10-28
6549970 Display unit with controller enabling bi-directional communication with computer Kouji Kitou 2003-04-15
6513088 Display unit and method enabling bi-directional communication with video source Kouji Kitou 2003-01-28
6476821 Image displaying system and information processing apparatus Hideo Sawada, Nobuaki Kabuto, Kouji Kitou, Kazufumi Kikuchi, Kazunori Iwabuchi +1 more 2002-11-05