Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HA

Hideyuki Arai — 63 Patents

Canon: 34 patents #1,468 of 19,416Top 8%
Panasonic: 20 patents #998 of 21,108Top 5%
MIMitutoyo: 4 patents #230 of 721Top 35%
SESeiko Epson: 2 patents #4,555 of 7,774Top 60%
Casio Computer Co.: 2 patents #935 of 1,970Top 50%
TKToshiba Kikai: 1 patents #381 of 713Top 55%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #35,492 of 4,157,543Top 1%
63 Patents All Time

Issued Patents All Time

Showing 51–63 of 63 patents

Patent #TitleCo-InventorsDate
5739858 Automatic focusing device using a plurality of different frequency components extracted at the same point Hirofumi Suda 1998-04-14
5629735 Image sensing device having a selectable detecting area Kitahiro Kaneda, Akihiro Fujiwara, Kunihiko Yamada, Hirofumi Suda, Masamichi Toyama 1997-05-13
5600371 Image pickup apparatus with lens unit detection and recording control Kenji Kyuma, Koji Tajima, Ryunosuke Iijima 1997-02-04
5548371 Exposure control device Hideo Kawahara 1996-08-20
5523811 Camera device for moving body Hiroyuki Wada, Takashi Kawabata, Koichi Ohmori, Shigeru Ogino, Masaki Higashihara +1 more 1996-06-04
5428421 Exposure control device Hideo Kawahara 1995-06-27
5406349 Interchangeable lens and interchangeable lens system Koji Takahashi, Susumu Kozuki, Hirokazu Mogi, Hideo Kawahara, Katsushi Suzuki +2 more 1995-04-11
5376991 Control system Kitahiro Kaneda, Hirofumi Suda, Seiya Ota 1994-12-27
5343246 Image sensing apparatus Hirofumi Suda, Kitahiro Kaneda 1994-08-30
5224813 Apparatus for changing a plate cylinder in a web-fed rotary gravure press Hiroki Nakamura, Toshiya Saeki, Sadayoshi Naito 1993-07-06
5140357 Automatic focusing device wherein loop gain is set responsively to variation of magnification Hirofumi Suda, Kitahiro Kaneda 1992-08-18
4959728 Interchangeable lens and interchangeable lens system Koji Takahashi, Susumi Kozuki, Hirokazu Mogi, Hideo Kawahara, Katsushi Suzuki +2 more 1990-09-25
4845568 Image pickup apparatus for selectively storing electrical signals Teruo Hieda, Kenji Kyuma, Masahiro Takei 1989-07-04