Growing community of inventors

Tokyo, Japan

Yutaka Ohtani

Average Co-Inventor Count = 1.48

ph-index = 7

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 = 106

Yutaka OhtaniYuji Hirai (4 patents)Yutaka OhtaniKenji Matsumoto (1 patent)Yutaka OhtaniHiroyuki Yamazaki (1 patent)Yutaka OhtaniRyo Takimura (1 patent)Yutaka OhtaniHirohiko Yamazaki (1 patent)Yutaka OhtaniTakeyoshi Iguchi (1 patent)Yutaka OhtaniYoichi Endo (1 patent)Yutaka OhtaniTakao Tsuda (1 patent)Yutaka OhtaniTakashi Sekimoto (1 patent)Yutaka OhtaniMasahiko Yamazaki (1 patent)Yutaka OhtaniYutaka Ohtani (9 patents)Yuji HiraiYuji Hirai (37 patents)Kenji MatsumotoKenji Matsumoto (81 patents)Hiroyuki YamazakiHiroyuki Yamazaki (70 patents)Ryo TakimuraRyo Takimura (8 patents)Hirohiko YamazakiHirohiko Yamazaki (7 patents)Takeyoshi IguchiTakeyoshi Iguchi (7 patents)Yoichi EndoYoichi Endo (6 patents)Takao TsudaTakao Tsuda (6 patents)Takashi SekimotoTakashi Sekimoto (4 patents)Masahiko YamazakiMasahiko Yamazaki (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Tsushin Kogyo Co., Ltd. (8 from 108 patents)

2. Konica Corporation (1 from 3,106 patents)


9 patents:

1. 6417444 - CF card casing structure

2. D449835 - Compact flash card

3. D442964 - Lower metal cover for compact flash card

4. D434771 - Upper metal cover for compact flash card

5. D432501 - Electric connector receptacle

6. D416886 - Compact flash card

7. D416885 - Lower metal cover for compact flash card

8. D416884 - Upper metal cover for compact flash card

9. 5548417 - Facsimile apparatus including a supporting frame member and image

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as of
1/4/2026
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