Growing community of inventors

Tokyo, Japan

Koichi Numata

Average Co-Inventor Count = 2.92

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 44

Koichi NumataHiroshi Katsuno (69 patents)Koichi NumataTakashi Bunya (3 patents)Koichi NumataShuichi Ota (2 patents)Koichi NumataSunao Kushiro (2 patents)Koichi NumataKazuyoshi Murata (2 patents)Koichi NumataToshimasa Tozune (2 patents)Koichi NumataHideki Yoneoka (2 patents)Koichi NumataTakumi Endoh (2 patents)Koichi NumataTakahiro Tsuge (1 patent)Koichi NumataMakoto Tanahashi (1 patent)Koichi NumataMitsuru Ida (1 patent)Koichi NumataIzumi Kariya (1 patent)Koichi NumataRyuzo Tamayama (1 patent)Koichi NumataTaizo Ogawa (1 patent)Koichi NumataShinsuke Kanayama (1 patent)Koichi NumataAtsushi Yanbe (1 patent)Koichi NumataKoichi Numata (9 patents)Hiroshi KatsunoHiroshi Katsuno (69 patents)Takashi BunyaTakashi Bunya (7 patents)Shuichi OtaShuichi Ota (34 patents)Sunao KushiroSunao Kushiro (13 patents)Kazuyoshi MurataKazuyoshi Murata (5 patents)Toshimasa TozuneToshimasa Tozune (5 patents)Hideki YoneokaHideki Yoneoka (4 patents)Takumi EndohTakumi Endoh (2 patents)Takahiro TsugeTakahiro Tsuge (35 patents)Makoto TanahashiMakoto Tanahashi (24 patents)Mitsuru IdaMitsuru Ida (19 patents)Izumi KariyaIzumi Kariya (8 patents)Ryuzo TamayamaRyuzo Tamayama (6 patents)Taizo OgawaTaizo Ogawa (4 patents)Shinsuke KanayamaShinsuke Kanayama (2 patents)Atsushi YanbeAtsushi Yanbe (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (9 from 58,130 patents)


9 patents:

1. 8169644 - Thermal dye sublimation printer and ink ribbon cassette therefor

2. 7986515 - Image display apparatus

3. 7864515 - Image display apparatus

4. 7651287 - Printer device having ink ribbon cartridge with protection plate for thermal head

5. 6603724 - Disk recording and/or reproducing device, disk loading mechanism, and disk eject mechanism

6. 6208607 - Disk loading apparatus with interlocked shutter mechanism, elevator mechanism and eject mechanism

7. 5805552 - Disc cartridge loading apparatus

8. 5738456 - Printer device

9. 5625612 - Disc cartridge loading apparatus

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as of
12/29/2025
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