YT

Yoji Takeuchi

ML Mitsubishi Pencil Company, Limited: 14 patents #12 of 302Top 4%
HM Hitachi Maxell: 6 patents #147 of 1,211Top 15%
KC Konami Digital Entertainment Co.: 4 patents #66 of 611Top 15%
CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
MI Mitsubishi: 1 patents #54 of 173Top 35%
Overall (All Time): #136,182 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
11951393 Game system, terminal apparatus, and recording medium Takayuki Fukawa, Nobuhiro Goto, Hiroki Koketsu, Mariayuri Kumagae 2024-04-09
10016687 Game system, server device, control method for server device, program, and information recording medium 2018-07-10
9713773 Game system, server device, control method for server device, program, and information recording medium 2017-07-25
9416286 Ink composition for aqueous ballpoint pen Yusuke Kobayashi, Noriko SAKANE, Saki Hanatani 2016-08-16
9375642 Network game system, control method of network game system, game device, control method of game device, program, and information storage medium Toshiyuki Terada 2016-06-28
7742462 CD-ROM on which a program for functioning as an IP telephone terminal is recorded, management server, operation server, and IP telephone terminal setup method 2010-06-22
7345100 Water-based ink composition for ball-point pen Kiyoshi Iwamoto, Hideaki Tomi, Masaru Miyamoto 2008-03-18
7279512 Water-based ink composition for ballpoint pen Kiyoshi Iwamoto, Hideaki Tomi, Masaru Miyamoto 2007-10-09
7201999 Secondary cell Tsuyoshi Sasaki, Hideyuki Nakano, Tetsuro Kobayashi, Yoshio Ukyo 2007-04-10
7179005 Ink follower for water-based ink ballpoint pen Masaru Miyamoto 2007-02-20
7179006 Ink follower Masaru Miyamoto, Kenji Sato 2007-02-20
6776829 Water-based ink composition for writing utensil Masaru Miyamoto, Tadashi Kamagata, Shigeru Miyazaki 2004-08-17
6634264 Capstan rest Tamotsu Emura 2003-10-21
6613135 Pseudo-plastic water based ink for ballpoint pen Masaru Miyamoto, Shigeru Miyazaki 2003-09-02
6605143 Water based ink composition for writing instrument Shigeru Miyazaki 2003-08-12
6599352 Water-based ink composition for writing instrument Masaru Miyamoto, Katsuhiko Shiraishi, Tadashi Kamagata 2003-07-29
6423127 Pseudo-plastic water base ink for ball point pen Masaru Miyamoto, Shigeru Miyazaki 2002-07-23
6264729 Water based ink composition for writing instrument Masaru Miyamoto, Shigeru Miyazaki 2001-07-24
6261351 Water based ink for ball point pen Masaru Miyamoto, Shigeru Miyazaki 2001-07-17
6176910 Pseudoplastic water based ink for ballpoint pen Shigeru Miyazaki, Masaru Miyamoto 2001-01-23
6146452 Pseudoplastic water based ink for ballpoint pen 2000-11-14
6139774 Fluorescent substance Masayuki Yamada 2000-10-31
5990201 Pseudo-plastic aqueous ink for ball point pen Shigeru Miyazaki 1999-11-23
5611958 Infrared phosphor and material having latent images and optical reading system using said phosphor Toshio Oshima, Ryuzo Fukao, Hisao Kanzaki 1997-03-18
5463212 Latent image forming member and method of manufacturing, latent image reading apparatus and latent image reading system Toshio Oshima, Tsunemi Ohiwa, Masato Nishida, Taiji Matsumoto, Akihiko Itoh 1995-10-31