Growing community of inventors

Tokyo, Japan

Masayoshi Tsuchiya

Average Co-Inventor Count = 1.96

ph-index = 8

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 = 457

Masayoshi TsuchiyaIchiro Hino (3 patents)Masayoshi TsuchiyaAkira Gamou (2 patents)Masayoshi TsuchiyaAkio Terai (2 patents)Masayoshi TsuchiyaMitsuro Satoh (2 patents)Masayoshi TsuchiyaShoji Sakai (2 patents)Masayoshi TsuchiyaKenichi Osonoe (2 patents)Masayoshi TsuchiyaYoshihiro Takatani (2 patents)Masayoshi TsuchiyaYoshiaki Kanoh (2 patents)Masayoshi TsuchiyaTakashi Yoshikawa (1 patent)Masayoshi TsuchiyaRyuta Kanno (1 patent)Masayoshi TsuchiyaYoshio Ishigaki (1 patent)Masayoshi TsuchiyaKeiji Fukuzawa (1 patent)Masayoshi TsuchiyaTsutomu Tsuchiya (1 patent)Masayoshi TsuchiyaShinobu Tsurumaru (1 patent)Masayoshi TsuchiyaKoji Ouchi (1 patent)Masayoshi TsuchiyaHiromasa Yamashita (1 patent)Masayoshi TsuchiyaHideo Koizumi (1 patent)Masayoshi TsuchiyaKazuhiro Imai (1 patent)Masayoshi TsuchiyaKenichiro Kono (1 patent)Masayoshi TsuchiyaTohru Ichikawa (1 patent)Masayoshi TsuchiyaShingo Yoda (1 patent)Masayoshi TsuchiyaEtsuro Ikeyama (1 patent)Masayoshi TsuchiyaYorimichi Taguchi (1 patent)Masayoshi TsuchiyaTeruyoshi Kariyada (1 patent)Masayoshi TsuchiyaMasayoshi Tsuchiya (17 patents)Ichiro HinoIchiro Hino (27 patents)Akira GamouAkira Gamou (8 patents)Akio TeraiAkio Terai (6 patents)Mitsuro SatohMitsuro Satoh (2 patents)Shoji SakaiShoji Sakai (2 patents)Kenichi OsonoeKenichi Osonoe (2 patents)Yoshihiro TakataniYoshihiro Takatani (2 patents)Yoshiaki KanohYoshiaki Kanoh (2 patents)Takashi YoshikawaTakashi Yoshikawa (34 patents)Ryuta KannoRyuta Kanno (33 patents)Yoshio IshigakiYoshio Ishigaki (22 patents)Keiji FukuzawaKeiji Fukuzawa (21 patents)Tsutomu TsuchiyaTsutomu Tsuchiya (10 patents)Shinobu TsurumaruShinobu Tsurumaru (10 patents)Koji OuchiKoji Ouchi (5 patents)Hiromasa YamashitaHiromasa Yamashita (5 patents)Hideo KoizumiHideo Koizumi (5 patents)Kazuhiro ImaiKazuhiro Imai (4 patents)Kenichiro KonoKenichiro Kono (3 patents)Tohru IchikawaTohru Ichikawa (3 patents)Shingo YodaShingo Yoda (3 patents)Etsuro IkeyamaEtsuro Ikeyama (2 patents)Yorimichi TaguchiYorimichi Taguchi (1 patent)Teruyoshi KariyadaTeruyoshi Kariyada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (12 from 58,131 patents)

2. Komatsu Zenoah Co. (2 from 75 patents)

3. Memory-tech Holdings Inc. (2 from 19 patents)

4. Furukawa Mfg. Co., Ltd. (1 from 22 patents)


17 patents:

1. 10255941 - Optical disc having a plurality of recording layers

2. 9928868 - Optical disc having a plurality of recording layers

3. 9714105 - Apparatus for supplying a large amount of bag

4. D384940 - Remote controller

5. D330552 - Tape player

6. 5129125 - Cleaning machine

7. 5129124 - Cleaning machine

8. D320208 - Combined tape player and radio tuner

9. D316094 - Tape player

10. D316095 - Tape player

11. D314762 - Tape player

12. D312638 - Cassette tape player

13. D311537 - Tape recorder

14. D311006 - Cassette tape recorder

15. D305762 - Combined tape player and radio tuner

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as of
1/4/2026
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