Growing community of inventors

Shizuoka, Japan

Tsutomu Shike

Average Co-Inventor Count = 2.69

ph-index = 10

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 = 256

Tsutomu ShikeIsao Inoue (6 patents)Tsutomu ShikeToshihiko Eguchi (5 patents)Tsutomu ShikeMasaki Saito (3 patents)Tsutomu ShikeHideo Mifune (3 patents)Tsutomu ShikeKenji Yamazaki (3 patents)Tsutomu ShikeMasato Seki (2 patents)Tsutomu ShikeTomio Nitta (1 patent)Tsutomu ShikeYosimitu Kaga (1 patent)Tsutomu ShikeIsao Inoue (1 patent)Tsutomu ShikeNobuo Yamazaki (1 patent)Tsutomu ShikeKazuhiko Suganuma (1 patent)Tsutomu ShikeTsutomu Shike (15 patents)Isao InoueIsao Inoue (39 patents)Toshihiko EguchiToshihiko Eguchi (5 patents)Masaki SaitoMasaki Saito (26 patents)Hideo MifuneHideo Mifune (26 patents)Kenji YamazakiKenji Yamazaki (8 patents)Masato SekiMasato Seki (15 patents)Tomio NittaTomio Nitta (59 patents)Yosimitu KagaYosimitu Kaga (10 patents)Isao InoueIsao Inoue (4 patents)Nobuo YamazakiNobuo Yamazaki (3 patents)Kazuhiko SuganumaKazuhiko Suganuma (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tokai Corporation (14 from 139 patents)

2. Other (1 from 832,891 patents)


15 patents:

1. 5456929 - Ready-to-heat canned goods

2. 5326256 - Igniting device

3. 5322433 - Igniting device

4. 5298207 - Method of producing a microcell polymer filter for use in flow rate

5. 5284439 - Igniting device

6. D336538 - Gas lighter

7. D334589 - Plural-nibbed ball-point pen

8. 5186619 - Flow rate regulating mechanism for gas lighters and similar devices and

9. 5186618 - Gas lighter with safety device

10. 5145358 - Safety device for piezoelectric gas lighter

11. D328917 - Twin-nibbed ball-point pen

12. D327813 - Igniter

13. D326684 - Felt tipped pen

14. D319323 - Lighter case

15. D314063 - Lighter

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as of
1/2/2026
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