TK

Takao Katayama

Ricoh Company: 7 patents #2,977 of 9,818Top 35%
Kubota: 6 patents #338 of 2,059Top 20%
IC Idemitsu Kosan Co.: 6 patents #239 of 1,237Top 20%
SE Seiko Epson: 6 patents #2,663 of 7,774Top 35%
SC Shibuya Kogyo Co.: 2 patents #35 of 173Top 25%
Dai Nippon Printing Co.: 2 patents #976 of 2,222Top 45%
AC Ashimori Industry Co.: 2 patents #45 of 185Top 25%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #116,678 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
12431851 Audio mixing device and electronic device Fumihito Baisho, Tsutomu Nonaka 2025-09-30
12156011 Audio mixing device and electronic device Fumihito Baisho, Tsutomu Nonaka 2024-11-26
11647331 Circuit device, sound reproduction device, and electronic apparatus Fumihito Baisho, Tsutomu Nonaka 2023-05-09
10542095 Synchronization measurement system, synchronization measurement method, controller, sensor unit, synchronous signal generation unit, synchronous signal transfer unit, and program Mikimoto Jin 2020-01-21
9986035 Synchronous measurement system Kazuyoshi Takeda, Mikimoto Jin 2018-05-29
9948418 Synchronous measurement system Kazuyoshi Takeda 2018-04-17
8596567 Seatbelt retractor Shinya Kaneko, Takatoshi Nakaoka, Masataka Tanaka, Eri Yamane 2013-12-03
7753305 Seat belt retractor 2010-07-13
7191310 Parallel processor and image processing apparatus adapted for nonlinear processing through selection via processor element numbers Shinichi Yamaura, Kazuhiko Hara, Kazuhiko Iwanaga, Hiroshi Takafuji 2007-03-13
6997439 Liquid filling valve Kazuo Miyazaki, Norimi Kawanami, Hitoshi Takaku, Yukinobu Nishino, Futoshi Konishi 2006-02-14
6974945 Photosensor Hidetaka Matsuo 2005-12-13
6785800 Single instruction stream multiple data stream processor Shin-ichi Yamaura, Kazuhiko Hara, Kazuhiko Iwanaga, Hiroshi Takafuji 2004-08-31
6652199 Vessel conveying system Kazuo Miyazaki, Norimi Kawanami, Masahito Yamamoto, Tatsuhiro Nakada 2003-11-25
6266756 Central processing unit compatible with bank register CPU Kazuhiko Hara, Shinichi Yamaura, Keiichi Yoshioka, Keiji Nakamura 2001-07-24
5938758 Microprocessor having function of prefetching instruction Shinichi Yamaura, Keiichi Yoshioka, Kazuhiko Hara 1999-08-17
5630158 Central processing unit including inhibited branch area Kazuhiko Hara, Shinichi Yamaura, Keiichi Yoshioka 1997-05-13
5606709 Register group circuit for data processing system Keiichi Yoshioka, Shinichi Yamaura, Kazuhiko Hara 1997-02-25
5594890 Emulation system for emulating CPU core, CPU core with provision for emulation and ASIC having the CPU core Shinichi Yamaura, Keiichi Yoshioka, Kazuhiko Hara 1997-01-14
5419814 Thin layer liquid film type evaporator Takatoshi Kunihiro, Shinichi Ariga, Mitsuo Tanuma 1995-05-30
D319447 Lawn mower Hiroshi Oshima, Jinnosuke Takakura, Shigeru Takehana, Hirofumi Sadakane 1991-08-27
D308681 Lawn mower Hirofumi Sadakane, Hiroshi Oshima, Nobuhide Yanagawa, Hisato Katoh 1990-06-19
D307911 Walking operator type lawn mower Manabu Miyawaki, Jinnosuke Takakura, Hirofumi Sadagane, Hisato Katoh 1990-05-15
4882897 Clutch control structure for a walking operator type lawn mower Hiroshi Oshima, Hirofumi Sadakane, Jinnosuke Takakura, Hisatake Fujioka 1989-11-28
4760212 Electrical insulating oils 1988-07-26
4745735 Grass collecting container for grass mower 1988-05-24