TI

Takuma Ishikawa

MI Minolta: 28 patents #47 of 1,109Top 5%
OC Oki Electric Industry Co.: 3 patents #700 of 2,807Top 25%
OD Oki Data: 2 patents #320 of 635Top 55%
MK Minolta Camera Kk: 1 patents #8 of 27Top 30%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
WP Wintech Polymer: 1 patents #10 of 21Top 50%
Overall (All Time): #91,219 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
12328928 Semiconductor element unit and method of manufacturing thereof, semiconductor element unit supply substrate, and semiconductor packaging circuit and method of manufacturing thereof Yuuki SHINOHARA, Takahito Suzuki, Kenichi TANIGAWA, Hironori FURUTA, Toru Kosaka +5 more 2025-06-10
12191292 Composite integrated film, composite integrated film supply wafer, and semiconductor composite device Takahito Suzuki, Kenichi TANIGAWA, Hironori FURUTA, Toru Kosaka, Yusuke Nakai +5 more 2025-01-07
11450784 Light-emitting thyristor, light-emitting element chip, optical print head, and image forming device Hiroto KAWADA, Kenichi TANIGAWA, Shinya JYUMONJI, Chihiro Takahashi 2022-09-20
10991849 Light-emitting thyristor, light-emitting element chip, optical print head, and image forming apparatus Hiroto KAWADA, Kenichi TANIGAWA, Shinya JYUMONJI, Chihiro Takahashi 2021-04-27
10491776 Exposure device and light receiving device 2019-11-26
9663652 Polybutylene terephthalate resin composition Takayuki Ishikawa, Kazuya Goshima 2017-05-30
6126163 Sheet aligning apparatus and processing apparatus used for copy machine Kunihiko Katsuta, deceased, by Shikou Komaki, legal representative, Masayoshi Horikawa, Syuichi Katohgi 2000-10-03
5470051 Automatic document feeder Yuusuke Morigami, Hirokazu Matsuo, Hirofumi Tanahashi, Yoshihito Hirano, Hiroyasu Nagato 1995-11-28
5347352 Copying apparatus with automatic document feeding device Yuusuk Morigami, Akira Ohhata, Wataru Hamakawa, Hirokazu Matsuo, Hiroyasu Nagato 1994-09-13
5327206 Image forming apparatus including a sheet refeeding unit Masahide Ueda, Takashi Onishi, Hirofumi Tanahashi 1994-07-05
5292113 Automatic document feeder Yuusuke Morigami, Hirokazu Matsuo, Hirofumi Tanahashi, Yoshihito Hirano, Hiroyasu Nagato 1994-03-08
RE34460 Copying apparatus having a sorter with a sheet stapling function with staple mode cancellation Kuniaki Ishiguro 1993-11-30
5213322 Original transfer apparatus Hirokazu Matsuo, Yuusuke Morigami 1993-05-25
5141215 Sorter-finisher provided for an image forming apparatus Kuniaki Ishiguro, Toshio Matsui 1992-08-25
5133539 Sorter-finisher provided for an image forming apparatus Kuniaki Ishiguro, Toshio Matsui 1992-07-28
5117266 Recirculating document handler and image forming apparatus equipped therewith Kazutaka Takemura, Hirokazu Matsuo, Yusuke Morigami, Wataru Hamakawa 1992-05-26
5084741 Recirculating document handler and image forming apparatus equipped therewith Kazutaka Takemura, Hirokazu Matsuo, Yusuke Morigami, Wataru Hamakawa 1992-01-28
5081489 Copying apparatus Akiyoshi Johdai 1992-01-14
5053831 Image forming apparatus having a finisher Kuniaki Ishiguro, Akiyoshi Johdai, Hiroki Yamashita 1991-10-01
5014092 Image forming apparatus with a binding function Naoki Kubo, Toshio Matsui, Fumitoshi Atsumi, Yasuhiko Doi 1991-05-07
4980721 Copying apparatus having a controller capable of sorting groups of originals in different bins by detecting a boundary between the groups Akiyoshi Johdai 1990-12-25
4974823 Sorter-finisher with a sheet binding function and a method of operating thereof Kuniaki Ishiguro 1990-12-04
4946152 Sorter-finisher Kuniaki Ishiguro, Toshio Matsui, Kazuhito Ozawa 1990-08-07
4901994 Copying apparatus having a sorter with a sheet stapling function Kuniaki Ishiguro 1990-02-20
4893152 Copying apparatus having a sorter with a sheet binding function Kuniaki Ishiguro 1990-01-09