AS

Akihiro Sugiyama

TO Topcon: 5 patents #169 of 684Top 25%
NI Nikon: 4 patents #874 of 2,493Top 40%
MT Mitsubishi Heavy Industries Engine & Turbocharger: 2 patents #87 of 278Top 35%
JT Japan Tobacco: 2 patents #330 of 1,187Top 30%
DY Dyflex: 1 patents #4 of 15Top 30%
PE Pentax: 1 patents #238 of 396Top 65%
HO Hoya: 1 patents #757 of 1,290Top 60%
Overall (All Time): #291,262 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
11719124 Turbocharger Takashi Sato, Takuya ARAKAWA, Takaya Futae, Yosuke Dammoto 2023-08-08
11655851 Bearing device and rotating device Naoyuki Nagai, Takuya ARAKAWA, Takaya Futae, Shuichi Miura, Yosuke Dammoto 2023-05-23
11206870 Non-combustion suction device Manabu Yamada, Yutaka KAIHATSU, Keisuke Morita, Keisuke Haruki, Yuko Nishida +3 more 2021-12-28
9056321 Spray gun, spray application apparatus, and spray application method Toshiaki Nakayama, Noriyoshi Yano 2015-06-16
9049378 Accessory, camera, accessory shoe, and connector Yasuyuki Motoki, Akihiro Ozone, Kazuharu Imafuji 2015-06-02
8945438 Lens forming metal mold, lens forming method and pickup device Shungo HANASHIRO, Hiroshi Kanazawa 2015-02-03
8885094 Accessory, camera, accessory shoe, and connector Yasuyuki Motoki, Akihiro Ozone, Kazuharu Imafuji 2014-11-11
D714853 Electronic flash device Kazuharu Imafuji, Akihiro Ozone, Yasuyuki Motoki 2014-10-07
8522793 Flash dryer for particulate materials Yasuhiro Ohdaka, Chihiro Hanaoka, Nobuyasu Endo, Katsuhide Yokota, Susumu Uchida 2013-09-03
7725021 Lighting system for shooting 2010-05-25
7046925 Superimpose-plate for view finder Hidefumi Kaneko, Tetsuya Abe, Atsuo Kabeta 2006-05-16
6053865 Retinal disease analyzer Takuya Moriyama, Hiroshi Ichiki 2000-04-25
5868134 Retinal disease analyzer Takuya Moriyama, Hiroshi Ichiki 1999-02-09
5867249 Ophthalmological analyzer Hiroshi Ichiki 1999-02-02
5463431 Perimeter Takeshi Suzuki 1995-10-31
5108170 Perimetric instrument 1992-04-28